1990

• Bakketeig LS, Hoffman HJ, Jacobsen G, Bergsjø P, Lindmark G. Impact of prior birth outcomes and related social factors on intrauterine growth retardation (IUGR). In: 118th Annual Meeting of the American Public Health Association and Related Organizations, Sept. 30   Oct. 4, 1990. New York City 1990; 186.
• Hoffman HJ, Cliver SP, Goldenberg RL, Cassady G, Markestad T, Jacobsen G, Bakketeig LS. Classification of different types of intrauterine growth retardation. In: 118th Annual Meeting of the American Public Health Association and Related Organizations, Sept. 30   Oct. 4, 1990. New York City 1990; 186.
• Irgens, LM. Om svangerskapsavbrudd etter 18 uker. In: Abort etter 18. svangerskapsuke på grunn av fosterskade. Helsedirektoratets utredningsserie 8 90. Oslo 1990; 181 191.
• Irgens, LM. Årsaker til krybbedød   hva vet vi, hva trenger vi, av ny kunnskap? In Dalen M ed.: Helsedirektoratets konferanse om helsestasjonsvirksomhet inklusiv svangerskapomsorg. Stavanger 19. 21. september 1990. Oslo 1990; 37 63.
• Irgens LM. Mors subite du nourisson et risque de recurrence. Euromedicine 90, Montpellier 1990, pp. 318 319. Also in Revue International du Pediatrie.
• Irgens LM, Skjærven R. Ugift mor   fremdeles overrisiko? Rapport fra Konferanse om perinatal omsorg, nov. 1989. Helsedirektoratet, Oslo 1990; 21 27.
• Janssen CW, Lie RT, Maartmann Moe H, Matre R. Who get a second primary cancer after gastric cancer surgery? European Journal of Surgical Oncology 1990; 16: 195 199.
• Jervell J, Halse J, Magnus P, Moe N, Bakketeig LS. Perinatal mortality and congenital malformations in diabetic pregnancies in Norway during 1967 86. Diabetologia 1990; 33(Suppl.): 498.
• Lie RT, Vollset SE, Botting B, Skjærven R. Statistical Methods for Surveillance of Congential Malformations. Invited paper read at the 18th European Teratology Society Conference, Edinburgh. ICBD 1990.
• Magnus P, Arntzen A, Samuelsen SO, Haldorsen T, Bakketeig LS. No correlation in post neonatal deaths for twins. A study of the early mortality of twins based on the Norwegian medical birth registry. Early Hum Develop 1990; 22: 89 97.
• Medisinsk fødselsregister. Fødselsnytt. Nr. 1 2 1990. Bergen 1990.
• Medisinsk fødselsregister. Årsmelding 1989. Summary and tables in English. Bergen 1990.
• Salvesen K, Eik-Nes SH, Tuveng JM, Sviggum O, Møller P, van der Hagen CB. Prenatal ultralyddiagnostikk og Down syndrom. Tidsskr Nor Lægeforen 1990;110:701-04.
• Skjerve E, Ulstein M, Skeie-Jensen T, Irgens LM, Lie RT, Sivertsen E, Skjeldestad FE. Outcome of pregnancy in one Norwegian county 3 years prior to and 3 years subsequent to the Tsjernobyl accident. Acta Obstet Gynecol Scand 1990;69:277 80.
• Ulstein M, Skeie-Jensen T, Irgens LM, Lie RT, Sivertsen E. Svangerskapsutfall i noen norske fylker før og etter Tsjernobylulykken. Tidsskr Nor Lægeforen 1990;110:359 62.
• Ulstein M, Skeie-Jensen T, Irgens LM, Lie RT, Sivertsen E, Skjeldestad FE. Svangerskapsutfall i noen norske fylker før og etter Tsjernobylulykken. En kommentar. Tidsskr Nor Lægeforen 1990;110: 2110.
• Ulstein M, Skeie-Jensen T, Irgens LM, Lie RT, Sivertsen E. Outcome of pregnancy in one Norwegian county 3 years prior to and 3 years subsequent to the Chernobyl accident. Acta obst Gyn Scand 1990;69:277-80.

1991

• Daltveit AK, Irgens LM, Vollset SE. Risikoforhold ved transportfødsler i Norge 1967-88. Tidsskr Nor Lægeforen 1991;111:1217-21.
• Helset A, Thoresen S, Lie RT, Helland HE. Praktisk planlegging av forskningsopphold i USA. Tidsskr Nor Lægeforen 1991;30:3723-3726.
• Irgens LM, Lie RT, Ulstein M, Skeie Jensen T, Skjærven R, Sivertsen E, Reitan JB, Strand P, Strand T, Skjeldestad FE. Pregnancy outcome in Norway after Chernobyl. (Erratum in: Biomed Pharmacother 1991;45(9):428.) Biomedicine & Pharmacotherapy. 1991;45:233-241.
• Irgens LM. Introduction In Gunnar Kvåle ed.: Utviklingsmuligheter for epidemiologisk forskning. Bergen 1991, pp 9-10.
• Irgens LM. Perinatal epidemiologisk forskning. Ibid, pp. 109-112.
• Irgens LM. Hvorfor trenger helsevesenet personopplysninger? Ibid, pp. 74-89.
• Irgens LM, Skjærven R, Lie RT. Plutselig spedbarnsdød. Tidsskr Nor Lægeforen 1991;1111:234.
• Irgens LM. Tsjernobylulykken. Konsekvenser i form av perinatale helseproblemer. I Rapport fra Helsedirektoratets konferanse om svangerskap- og perinatalomsorg. Oslo 1991 pp. 5-30.
• Lie RT, Irgens LM, Heuch I. Increased occurrence in Norway of Down syndrome in infants of young mothers. Some alternative causative mechanisms. Genetic Epidemiology 1991; 8: 217-230.
• Lie RT, Vollset SE, Botting B, Skjærven R. Statistical Methods for Surveillance of Congenital Malformations. International Journal of Risk and Safety in Medicine 1991; 2: 289-300.
• Lie RT. Forskningsopphold, National Institute of Environmental Health Science. Norsk Epidemiologi 1991;1:16-17.
• Medisinsk fødselsregister. Årsmelding 1990 (Annual Report 1990, Summary and Tables in English).
• Notson F, Bergsjø P, Cole S, Irgens LM, Daltveit AK. Differences in obstetrical delivery practice: Norway, Scotland and the United States. Acta Obstet Gynecol Scand 1991; 70: 451-460.

1992

• Bakketeig LS. Methodological problems and possible endpoints in the evaluation of antenatal care. Int J Techn Assessment in Health Care 1992;8:33-9.
• Bakketeig LS, Magnus P. Small for gestational age (SGA) definition and associated risks. Int J Techn Assessment in Health Care 1992;8:139-46.
• Lie RT, Irgens LM, Skjærven R, Reitan JB, Strand P, Strand T. Birth Defects in Norway by Levels of External and Food Based Exposure to Radiation from Chernobyl. Am J Epidemiol 1992;136:377-88.
• Lie RT. Case controlstudier av interaksjon mellom kandidatgen og miljøeksposisjon - noen enkle metodiske betraktninger. Norsk epidemiologi 1992;2:4-7.
• Lie RT, Wilcox AJ, Skjærven R. Recurrence risk of birth defects: Risk in second given a defect in the first. Am J Epi 1992;136(8):959.
• Lie RT. Detecting changes in perinatal risks. Epidemiological studies based on the Medical Birth Registry of Norway, with implications for the methodology of surveillance of birth defects and other conditions in the newborn. Doctoral thesis, University of Bergen 1992.
• Rosendahl K, Markestad T, Lie RT. Congenital dislocation of the hip: a prospective study comparing ultrasound and clinical examination. Acta Paediatr 1992;81(2):177-81.
• Rosendahl K, Markestad T, Lie RT. Ultrasound in the early diagnosis of congenital dislocation of the hip: the significance of hip stability versus acetabular morphology. Pediatric Radiology, 1992;22(6):430-3.
• Sandsmark M, Eskeland G, Øgaard AR, Åbyholm F. Treatment of large congenital nevi. Tidsskr Nor Lægeforen 1992;112:752-56
• Vollset SE, Hirji KF. Confounding of algorithmic efficiency by programming language in exact odds ratio estimation (letter to the editor). Epidemiology 1992;3:383-4.
• Wilcox AJ, Skjærven R. Birth weight and perinatal mortality: the effect of gestational age. Am J Public Health. 1992;82(3):378-82.

1993

• Bergsjø P, Borthen I, Daltveit AK. Operative delivery in Norway 1970-90. Trend analysis. Tidsskr Nor Lægeforen 1993;113:1206-11.
  PDF
• Bjerkedal T, Irgens LM. Medisinsk fødselsregister, - en gullgruve for forskning. Nordisk Medicin 1993;108:211-2.
  PDF
• Bille H, Rancke Madsen A, Ruusinen A, Gissler M, Virtanen M, Snædal G, Signaldason H, Biering G, Bergsjø P, Irgens LM, Daltveit AK, Karlberg P, Niklasson A, Ericson A, Hedberg C, Olausson PO. Birth and Infant Mortality in the Nordic Countries. NOMESKO: AFSTAT. København 1993:39.
  AHH?
• Bulajic-Kopjar M, Magnus P, Lie RT. Tilsynelatende fall i forekomst av anencephalus i Norge 1967-1990. Tidsskrift for den Norske Lægeforening 1993;25:3126-28.
  PDF
• Irgens LM, Øyen N. The epidemiological definition of sudden infant death syndrome. Acta Paed Scand 1993;Suppl. 389;17-19.
  PDF
• Irgens LM, Øyen Nina, Skjærven R. Recurrence of sudden infant death syndrome among siblings. Acta Paed Scand 1993;Suppl.389:23-5.
  PDF
• Irgens LM. Svangerskapsavbrudd etter prenatal diagnostikk, meldeplikt og meldesvikt. Tidsskr Nor Lægeforen 1993;113:3124-5.
  PDF
• Irgens LM. Medisinsk fødselsregister. Årsmelding 1991 (Annual Report 1991, Summary and Tables in English). 1993.
  PDF
• Jacobsen BK, Vollset SE, Kvåle G. Reproductive factors and survival from ovarian cancer. Int J Cancer 1993;54:904-6.
  PDF
• istensen P, Irgens LM, Daltveit AK, Andersen Aa. Perinatal Outcome among Children of Men Exposed to Lead and Organic Solvents in the Printing Industry. Am J Epidemiol 1993;137:134-44.
  PDF
• Lie RT, Heuch I, Irgens LM. A new sequential procedure for surveillance of Down syndrome. Statistics in Medicine 1993;12:13-25.
  PDF
• Magnus P, Bakketeig LS, Skjærven R. Correlations of birth weight and gestational age across generations. Ann Hum Biol 1993;20(3):231-238
  PDF
• Robert E, Mutchinick O, Mastroiacovo P, Knudsen LB, Daltveit AK, Castilla EE, Lancaster P, Källèn B, Cocchi G. An International collaborative study of the epidemiology of esophageal atresia or stenosis. Reproductive Toxicology 1993;7:405-421.
  PDF
• Skjeldestad FE, Borgan JK, Daltveit AK, Nymoen EH. Demografiske faktorar og svangerskap – kven veljer abort? Tidsskr Nor Lægeforen 1993;113:56-60.
  PDF
• Smedby B, Irgens LM, Norvenius G. Consensus statement of epidemiology. Acta Paed Scand 1993;Suppl 389;42-3.
  PDF
  

      Basert på MFR

• Steen J, Lindemann R, Ørstavik KH. Arvelige sykdommer og misdannelser som dødsårsak i de to første levår blant syv årskull Oslo-barn. En sammenlikning mellom norske og pakistanske barn. Tidsskr Nor Lægeforen 1993;113:334-6

1994

• Espehaug B, Daltveit AK, Vollset SE, Øyen N, Ericson A, Irgens LM. Infant survival in Norway and Sweden 1985-88. Acta Paediatr. 1994;83:977-82
• Hinderaker T, Daltveit AK, Irgens LM, Uden A, Reikerås O. The impact of intra-uterine factors on neonatal hip instability. An analysis of 1.059.479 children in Norway. Acta Orthop Scand 1994;65(3):239-242
• Khoury MJ, Botto L, Mastroiacovo P, Skjærven R, Castilla E, Erickson JD. Monitoring for multiple congenital anomalies. An international perspective. Epidemiologic Reviews 1994;16:335-350
• Kristensen R, Irgens LM. Clusters of anophthalmia. No link with benomyl in Norway. British Medical Journal, 1994;308:205-206
• Källen B, Cocchi G, Knudsen LB, Castilla EE, Robert E, Daltveit AK, Lancaster PL, Mastroiacovo P. International study of sex ratio and twinning of neural tube defects. Teratology 1994; 50:322-31
• Lie RT, Heuch I, Irgens LM. Maximum likelihood estimation of the proportion of congenital malformations using double registration systems. Biometrics 1994;50:433-444
• Lie RT, Irgens LM, Heuch I. Epidemiologisk overvåking av medfødte misdannelser i Epidemiologisk forskning om sammenhengen mellom miljø og helse, Rapport for perioden 1987-1992. Norges forskningsråd, Oslo 1994: pp 91-96
• Lie RT, Wilcox AJ, Skjærven R. A population-based study of the risk of recurrence of birth defects. New Eng J Med 1994;331(1): 1-4
• Lie RT, Wilcox AJ, Skjærven R. Risk of recurrence of birth defects (letter). New Eng J Med 1994:331(19):1310
• Lie RT.  Flawed epidemiology of birth defects? Letter. Lancet 1994;346:1037
• Notzon FC, Chattingius S, Bergsjø P, Cole S, Taffel S, Irgens LM, Daltveit AK. Cesarean section delivery in the 1980's: International comparison by indication. Am. J. Obstet Gynecol. 1994;170:495-504
• Robert E, Vollset SE, Botto L, Lancaster PAL, Merlob P, Mastroiacovo P, Cocchi G, Ashizawa M, Sakamoto S, Orioli I. Malformation surveillance and maternal drug exposure: the MADRE project. Int J Risk and Safety in Med 1994;6:75-118
• Rosendal K, Markestad T, Lie RT. Ultrasound screening for congenital dislocation of the hip in the neonate: the effect on treatment rate and incidence of late cases. Pediatrics 1994;94: 47-52
• Schneede J, Dagnelie PC, van Staveren WA, Vollset SE, Refsum H, Ueland PM. Methylmalonic acid and homocysteine in plasma as indicators of functional cobalamin deficiency in infants on macrobiotic diets. Pediatric Research 1994;36:194-201
• Skjeldestad FE, Borgan JK, Daltveit AK, Nymoen EH. Induced abortion. Effects of marital status, age and parity on choice of pregnancy termination. Acta Obstet. Gynecol Scand. 1994;73:255-260
• Wilcox AJ, Skjærven R, Irgens LM. Harsh social conditions and perinatal survival. An age-period-cohort analysis of the World War II occupation of Norway. Am J Public Health 1994;84(9):1463-67
• Øyen N, Irgens LM, Skjærven R, Morild I, Markestad T, Rognum TO. Secular trends of sudden infant death syndrome in Norway, 1967-1988. Application of a method of case identification to Norwegian registry data. Paediatr Perinatal Epidemiol 1994;8:263-81

      Publikasjoner med data fra MFR

• Arntzen A, Samuelsen SO, Magnus P, Bakketeig LS. Birthweight related to social indicators in Norway.  Eur J Public Health 1994;4:92-97
• Arntzen A. Registerstudie av spedbarnsdødelighet i forhold til demografiske, sosiale og medisinske faktorer.  Epidemiologisk forskning om sammenhengen mellom miljø og helse. Rapport for perioden 1987-1992. Norges forskningsråd, Oslo 1994: pp. 103-10
• Jervell J, Magnus P, Moe N, Bakketeig LS, Halse J. Resultater av svangerskap hos diabetikere.  Utviklingen i Norge fra 1967 til 1990. Nor J Epidemiol 1994;4:34-35

1995

• Albrechtsen S, Askvik K, Sande HA, Jensen T. Seteleie. Veileder i fødselshjelp. Norsk gynekologisk forening. T. no. lægeforen.; kap. 37, 1995:87-8.
• Albrechtsen S.  Setefødsel. NPF-posten 1995;5 (1): 16-17
• Albrechtsen S, Rasmussen S, Reigstad H, Markestad T, Dalaker K. Neonatal outcome in breech presentation. Gynekologen 1995;4:16  
• Bjerknes T, Askvik J, Albrechtsen S, Skulstad SM, Bertelsen T, Dalaker K. Retinal detachment in association with preeclampsia and abruptio placentae. Eur J Obstet Gynecol Reprod Bio1995;60:91-93
• Brun JG, Nilssen S, Kvåle G. Breast feeding, other reproductive factors and rheumatoid arthritis. A prospective study. Br J Rheumatol 1995;34:542-546
• Irgens LM. Risk factors for SIDS. Do they exist? In Rognum TO. Sudden Infant Death Syndrome – New Trends in the Nineties. Oslo Scandinavian Univ. Press 1995, p.p. 99-105
• Irgens LM, Markestad T, Baste V, Schreuder P, Skjærven R, Øyen N. Sleeping position and sudden infant death syndrome in Norway 1967-91. Archives of Disease in Childhood 1995;72:478-82 
• Jacobsen BK, Vollset SE, Kvåle G. Do reproductive factors influence colorectal cancer? J Clin Epidemiol 1995;48:1119-22
• Markestad T, Skadberg B, Hordvik E, Morild I, Irgens LM. Sleeping position and SIDS, effect of an intervention program to avoid prove sleeping.  Acta Pediatrica 1995;84:375-378.
• Markestad T, Irgens LM.  Mageleie og krybbedød. Tidsskr nor lægeforen 1995;115 (28):3480-1 
• Rosendahl K, Aslaksen A, Lie RT, Markestad T. Reliability of ultrasound in the early diagnosis of developmental dysplasis of the hip. Pediatrics Radiology 1995;25:219-24
• Rosendahl K, Markestad T, Lie RT, Sudmann E, Geitung JT. Cost-effectiveness of alternative screening strategies for developmental dysplasia of the hip.  Archives of Pediatrics and Adolescent Medicine 1995;149:643-8 
• Rosendahl K, Markestad T, Lie RT. The effect of ultrasound screening on late developmental dysplasia of the hip. Letter. Archives of Pediatrics and Adolescent Medicine 1995;149:706-7
• Stoltenberg C, Magnus P. Children with low birth weight and low gestational age in Oslo, Norway: immigration is not the cause of increasing proportions. J Epidemiol Community Health 1995:49:588-593
• von Düring V, Maltau IM, Forsdahl F, Åbyholm T, Kolvik R, Ertzeid G, Steier A, Baste V, Irgens LM. Svangerskap, fødsel og barn etter in vitrofertilisering i Norge 1988-91. T Nor lægeforen 1995;115:2054-60.
• Wilcox AJ, Skjærven R, Buekens P, Kiely J. Birthweight and perinatal mortality: A comparison of the United States and Norway. JAMA 1995;273:709-711
• York J, Madigan D, Heuch I, Lie RT. Birth defects registered by double sampling: a bayesian approach incorporating covariates and model uncertainty. JRSS Series C – Applied Statistics 1995;44:227-242.
• Øyen N, Skjærven R, Wilcox AJ, Little RL. Fetal growth retardation in sudden infant death syndrome (SIDS) infants and their siblings.  Am J Epi 1995;142:84-90

      Publikasjoner med data fra MFR

• Adams MM. The continuing challenge of preterm delivery. JAMA 1995;273(9):739-40
• Arntzen A, Moum T, Magnus P, Bakketeig LS. Is the higher postneonatal mortality in lower social groups due to SIDS? Acta Pædiatr 1995;84:188-192
• Meberg A, Broch H. A changing pattern of cerebral palsy. Declining trend for incidence of cerebral palsy in the 20-year period 1970-89. J Perinat Med 1995;23;395-402

1996

• Arntzen A, Moum T, Magnus P, Bakketeig LS.  The association between maternal education and postneonatal mortality. Trends in Norway 1968-1991. Int. J. Of Epidemiology 1996;25:578-584.
• Arntzsen A. Sociodemographic factors and outcomes of pregnancies. Epidemiological studies based on the Medical Birth Registry and Census data. Thesis 1996.
• Bergsjø P, Daltveit AK. Fødeinstitusjoner og fødsler i norske fylker i begynnelsen av 1990-årene. Tidsskrift for den Norske Lægeforening 1996;116:1591-4. 
• Bolton-King P, Lie RT, Irgens LM. Spina bifida and cleft lip among newborns of Norwegian women with epilepsy: Changes related to the use of anticonvulsants. American Journal of Public Health 1996;86:1454-6
• Daltveit AK. Bare spør. Innlegg i Oss foreldre imellom; Medlemsblad for Landsforeningen til støtte ved krybbedød. No. 3 1996
• Hellesen HB, Vikane E, Lie RT, Irgens LM. Diabetes hos mor - normalisert perinatal dødelighet, men fortsatt økt fostervekst.  Tidsskrift for den Norske Lægeforening 1996;29:3465-69.
• Heuch JM, Heuch I, Kvåle G. Birth characteristics and risk of Wilms’ tumor: a nationwide prospective study in Norway. British Journal of Cancer 1996;74:1148-1141.  
• Irgens LM. Fødselsregisteret: Historie og fremtidige oppgaver. I Tellnes G, Larsen Ø (red.). Epidemiologi og Forebyggende Helsearbeid. Festskrift i anledning av Tor Bjerkedals 70-årsdag, 26. august 1996:12-19.
• Irgens LM, Øyen N. Recent trends in postneonatal mortality and the rate of sudden infant death in the Scandinavian countries. In Jorch G (Ed.) Prevention of Sudden Infant Death, European Workshop. Ministerium für Arbeit Gesundheit und Soziales des Landes Nordrhein Westfalen, Münster 1996:1-11.
• Irgens Å, Krüger K, Skorve AH, Irgens LM. Yrke og reproduksjonsutfall. Prosjekt rapport fra Yrkesmedisinsk avdeling, Haukeland sykehus og Medisinsk fødselsregister. Universitetet i Bergen. September 1996.
• Kristensen P, Andersen Aa, Irgens LM, Bye AS, Sundheim LS. Cancer in offspring of parents engaged in agricultural activities in Norway. Incidence and risk factors in the farm environment. International Journal of Cancer 1996;65:39-50.
• Kristensen P, Andersen Aa, Irgens LM, Bye AS, Vagstad N. Testicular cancer and parental use of fertilizers in agriculture. Cancer Epidemiology, Biomarkers & Prevention 1996;5:3-9.
• Kristensen P, Andersen Aa, Irgens LM, Laake P, Bye AS. Incidence and risk factors of cancer among men and women in Norwegian agriculture. Scand J Work Environ Health 1996;22:11-23. 
• Rasmussen S, Irgens LM, Bergsjø P, Dalaker K. The occurrence of placental abruption in Norway 1967-1991. Acta Obst Gynecol Scand 1996;75:222-228.
• Rasmussen S, Irgens LM, Bergsjø P, Dalaker K. Perinatal mortality and case fatality after placental abruption in Norway 1967-1991. Acta Obstet Gynecol Scand 1996;75:229-234.  
• Rosendahl K, Markestad T, Lie RT. Developmental dysplasia of the hip. A population-based comparison of ultrasound and clinical findings. Acta Paediatrica Scandinavica 1996;85;1:64-9. 
• Vindenes H, Lie RT. Fra myter til kunnskap: Om årsaker til leppe-kjeve-ganespalte. Dialog (Medlemsblad for Leppe/Ganespalteforeningen) 1996;Vårnummer:3-5.
• Vollset SE, Irgens LM. Folinsyre og svangerskap - sikker kunnskap, usikker praksis (leder). Tidssskrift for den Norske Lægeforening 1996;116:217-8. 
• Vollset SE, Irgens LM. Folatmangel, kreft og medfødte misdannelser. Forvirrende om folsyre og folinsyre. Tidsskr Nor Lægeforen 1996;116:892-93.
• Weinberg CR, Skjærven R, Wilcox AJ. Statistical evidence for shared transient causes of anatomically distinct birth defects. Statistics in Medicine 1996;15:2029-2036.
• Øyen N, Skjærven R, Irgens LM. Population-based recurrence risk of sudden infant death syndrome (SIDS), compared with other infant and fetal deaths. American Journal of Epidemiology 1996;144:300-5.
• Øyen N, Skjærven R, Little RE, Wilcox AJ. Birth weight in SIDS infants and their siblings. In Jorch G (Ed.). Prevention of Sudden Infant Death, European Workshop. Ministerium für Arbeit Gesundheit und Soziales des Landes Nordrhein Westfalen, Münster 1996.

1997

• Albrechtsen S, Jenssen T, Nesheim BI. Seteleie. Gynekologen 1997; 2: 97-99
• Albrechtsen S, Rasmussen S, Reigstad H, Askvik K, Markestad T, Irgens LM, Dalaker K. Evaluation of a protocol for selecting fetuses in breech presentation for vaginal delivery or cesarean section. Am J Obstet Gynecol 1997;177:586-92.
• Beaty TH, Skjærven R, Breazeale DR, Liang KY. Analyzing sibship correlations in birth weight using large sibships from Norway. Genet Epidemiol 1997;14(4):423-433. 
• Bergsjø P. Recent evolution within obstetrics. Nordic experience since 1970s, as evidenced by statistics. Acta Obstet Gynecol Scand 1997;76:613-618.
• Bjerkedal T, Irgens LM, Daltveit AK. Occurrence and survival of low birthweight births in the Nordic countries, 1980-94. Health Statistics for the Nordic Countries, 1997;49:191-215.       
• Bjerkedal T, Osnes K, Finne P, Irgens LM. Overlevelse og sykelighet blant barn med lav fødselsvekt. Tidsskr Nor Lægeforen 1997;117:3922-9.
• Bjorke-Monsen AL, Ueland PM, Schneede J, Vollset SE, Refsum H. Elevated plasma total hymocysteine and C677T mutation of the methylenetetrahydrofolate reductase gene in patients with spina bifida. QJM 1997 Sep;90(9):593-596.
• Botto L, Khoury MJ, Mastroiacovo P, Castilla E, Moore CA, Skjærven R, Mutchinick. OM, Borman B, Cocchi G, Czeizel AE, Goujard J, Irgens LM, Lancaster PAL, Martinez-Frias ML, Merlob P, Ruusinen A, Stoll C, Sumiyoshi Y. The spectrum of Congenital Anomalies of the VATER Association: An International Study. Am.J.Med.Genet 1997;71:8-15.
• Campbell MK, Østbye T, Irgens LM. Post-term birth: Risk factors and outcomes in a 10 year cohort of Norwegian births. Obstetrics & Gynecology, 1997;89:543-8.
• Dalaker K, Albrechtsen S, Jerve F, Løvset T, Nilsen ST, Nøstdahl W. Norsk gynekologisk forening- Veileder i fødselshjelp. Struktur, process, resultat og evaluering. Tidskr Nor Lægeforen 1997; 117: 1311-3
• Daltveit AK. Sosiodemografiske forhold og krybbedød. Tidsskriftet «Oss foreldre imellom», medlemsblad for landsforeningen til støtte ved krybbedød, 1997; nr. 4. 
• Daltveit AK, Vollset SE, Olaussen PO, Irgens LM. Infant mortality in Norway and Sweden 1975-88: a cause specific analysis of an increasing difference. Paediatric and Perinatal Epidemiology 1997;11:214-27.
• Daltveit AK, Øyen N, Skjærven R, Irgens LM. The epidemic of  SIDS in Norway 1967-93. Changing effects of risk factors. Arch Dis Child 1997;77:23-7.
• Glinianaia SV, Magnus P, Skjærven R, Bakketeig LS. The relationship between maternal birthweight and gestational age in twins and singletons and those of their offspring in Norway. Paediatr Perinat Epidemiol 1997;11:26-36.
• Helweg-Larsen K, Øyen N, Millerad J, Irgens LM, Rognum TO. Pludselig spædbarnsdød i Norden. Sudden infant Death in the Nordic countries. Nordic Council of Ministers, Copenhagen, Tema-Nord 1997:600.
• Henrichsen B, Anglevik E, Bakke JV, Johansen TB, Glattre E, Graff-Iversen S, Haugsbø A, Kindseth O, Magnus P, Thelle DS, Tell GS, Tønder J-K. Tilgang til helseregistre. Norges Offentlige Utredninger (NOU) 1997:26.
• Herman AA, McCarthy BJ, Bakewell JM, Ward RH, Mueller BA, Maconochie NE, Read AW, Zadka P, Skjærven R. Data linkage methods used in maternally-linked birth and infant death surveillance data sets from the United States (Georgia, Missouri, Utah and Washington State), Israel, Norway, Scotland and Western Australia. Paediatric and Perinatal Epidemiology 1997;11 (suppl. 1):5-22.
• Irgens LM. Er faren for krybbedød større om vinteren enn om sommeren? Tidsskriftet «Oss foreldre imellom», medlemsblad for landsforeningen til støtte ved krybbedød, 1997; nr. 4.
• Irgens LM. Medisinsk fødselsregister, en hjørnesten i norsk epidemiologi. Norsk Epidemiologi. Norsk Epidemiologi 1997; 7 (1): 5-10.
• Irgens LM, Mæland HJ. Register for friskere barn. Bergens Tidende (kronikk) 23. desember 1997, s. 20.
• Irgens Å, Krüger K, Skorve AH, Irgens LM. Male proportion in offspring of parents exposed to strong static and extremely low frequency electromagnetic fields in Norway. Am. J. Industrial Med 1997;32:557-61.
• Irgens Å, Krüger K, Skorve AH, Irgens LM. Medfødte misdannelser og fars yrkeseksposisjon: Hypoteser basert på funn fra tidligere studier etterprøvet i et norsk registermateriale. Norsk Epidemiologi 1997;7:13-18.
• Irgens Å, Krüger K, Skorve AH, Irgens LM. Har tannlegeassistenter økt risiko for å få barn med hjernemisdannelser? Den norske tannlegeforenings tidende 1997;107(17):856-58 (http://www.tannlegetidende.no/dntt/tid_utg/nr97_17/04_9717.htm)
• Kristensen P, Andersen Aa, Irgens LM, Bye AS, Sundheim L. Birth defects in offspring of  Norwegian farmers, 1967-1991. Epidemiology 1997;8:537-44.
• Kristensen P, Andersen Aa, Irgens LM, Bye AS, Sundheim L. Gestational age, birthweight and perinatal death among births to Norwegian farmers, 1967-1991. Am. J. Epidemiol. 1997, 146, 329-38.
• Kristensen P, Irgens LM, Bjerkedal T. Environmental factors, reproductive history and selective fertility in farmers’ sibships. Am. J. Epidemiol. 1997;145:817-25.
• Lie RT, Irgens LM. The Norwegian maternal birth cohort. International Journal of Risk and Safety in Medicine 1997;10:191.
• Lie RT. Environmental epidemiology at the Medical Birth Registry of Norway; strengths and limitations. Cent Eur J Public Health 1997;41:57-59.
• Markestad T, Bergsjo P, Aakvaag A, Lie RT, Jacobsen G, Hoffmann HJ, Bakketeig LS. Prediction of fetal growth based on maternal serum concentrations of human chorionic gonadotropin, human placental lactogen and estriol. Acta Obstet Gynecol Scand Suppl 1997;76(165):50-55.
• Markestad T, Lossius P, Maartmann-Moe H, Iversen OE, Lie RT, Bergsjo P, Jacobsen G, Hoffman HJ, Bakketeig LS. Cell division in placentas of appropriate and small-for-gestational-age infants. A flow cytometry study. Acta Obstet Gynecol Scand Suppl 1997;76(165):59-62.
• Markestad T, Vik T, Ahlsten G, Gebre-Medhin M, Skjærven R, Jacobsen G, Hoffman HJ, Bakketeig LS. Small for Gestational Age (SGA) Infants Born at Term: Growth and Development During the First Year of Life. Acta Obst Gynecol Scand 1997;76(165):93-101.
• Rasmussen S, Irgens LM, Dalaker K. The effect on the likelihood of further pregnancy of placental abruption and the rate of its recurrence. Br J Obstet Gynaecol 1997;104:1292-1295.
• Rosendahl K, Lie RT, Markestad T. Kongenital hofteleddslukasjon. Ultralydscreening av nyfødte. (Congenital hip dislocation Ultrasonic screening of newborn infants.) Tidsskr. Nor Lægeforen 1997;117(3):346-352.
• Schellscheidt JJ, Øyen N, Jorch G. Interactions between maternal smoking and other prenatal risk factors for sudden infant death syndrome (SIDS) in Germany. Acta Paediatrica 1997;86:857-63.
• Skjeldestad FE, Kendrick JS, Atrash HK, Daltveit AK. Increasing incidence of ectopic pregnancy in one Norwegian county - a population based study, 1970 - 93. Acta Obstet Gynecol Scand 1997;76:159-65.
• Skjærven R, Wilcox AJ, Øyen N, Magnus P. Mothers’ birth weight and survival of their offspring, population based study. BMJ 1997; 314:1376-80.
• Skjærven R. Risiko-indeks for krybbedød. Tidsskriftet «Oss foreldre imellom», medlemsblad for Landsforeningen til støtte ved krybbedød, nr. 4, 1997.
• Stoltenberg C, Magnus P, Lie RT, Daltveit AK, Irgens LM. Birth Defects and Parental Consanguinity in Norway. Am. J. Epidemiol. 1997;145:439-48.
• Tell GS, (Editor). Vurdering av behovet for økt folatinntak. Rapport fra en arbeidsgruppe nedsatt av Statens ernæringsråd. Statens ernæringsråd, rapport nr. 2/1997. 
• Wennergren G, Alm K, Øyen N, Helweg Larsen K, Milerad J, Skjærven R, Norvenius SG, Lagerkreutz H, Wennborg M, Daltveit AK, Markestad T, Irgens LM. The decline in the incidence of SIDS in Scandinavia and its relation to risk- intervention campaigns. The Nordic Epidemiological SIDS Study. Acta Paediatr 1997;86(9):963-968.
• Øyen N, Haglund B, Skjærven R, Irgens LM. Maternal smoking, birthweight and gestational age in sudden infant death syndrome (SIDS) babies and their surviving siblings. Paediatric and Perinatal Epidemiology 1997;11 (suppl. 1):84-95.
• Øyen N, Markestad T, Skjærven R, Irgens LM, Helweg Larsen K, Alm B, Norvenius G, Wennergren G. Combined effects of sleeping position and prenatal risk factors in sudden infant death syndrome (SIDS). The Nordic Epidemiological SIDS Study. Pediatrics 1997;100:613-21.
• Øyen N. Krybbedød - Epidemiologiske studier i Norge, Sverige og Danmark, 1967 - 1995. Tidsskriftet «Oss foreldre imellom», medlemsblad for landsforeningen til støtte ved krybbedød, 1997; nr.4.

1998

• Albrechtsen S, Rasmussen S, Irgens LM, Dalaker K. The occurrence of breech presentation in Norway 1967-1994. Acta Obstet Gynecol Scand 1998;77:410-15.
• Albrechtsen S, Rasmussen S, Irgens LM, Dalaker K. Factors influencing delivery method in breech presentation. Acta Obstet Gynecol Scand 1998;77:416-21.
• Albrechtsen S, Rasmussen S, Irgens LM, Dalaker K. Reproductive Career After Breech Presentation: Subsequent Pregnancy Rates, Interpregnancy Interval, and Recurrence. Obstet Gynecol 1998;92:345-350
• Albrechtsen S, Irgens LM, Dalaker K. Breech delivery protocol. Letter. Am J Obstet Gynecol 1998;178:1104. (http://www2.us.elsevierhealth.com/scripts/om.dll/serve?action=searchDB&searchDBfor=art&artType=letter&id=a90425)
• Albrechtsen S, Rasmussen S, Dalaker K, Irgens LM. Perinatal mortality in Breech Presentation Sibships. Obstetrics & Gynecology 1998;92:775-780
• Albrechtsen S, Nesheim BI, Sande HA, Jensen T. Chapter 39. Breech Presentation (Seteleie). In: Dalaker K (ed). Norwegian Society of Gynaecology and Obstetrics. Clinical Guidelines in Obstetrics (Veileder i fødselshjelp). In Norwegian. Oslo, Norway 1998:128-131.
• Alm B, Milerad J, Wennergren G, Skjærven R, Øyen N, Norvenius G, Daltveit AK, Helweg-Larsen K, Markestad T, Irgens LM. A case-control study of smoking and sudden infant death syndrome in the Scandinavian countries, 1992-1995. The Nordic Epidemiological SIDS Study. Achives of Disease in Childhood 1998;78:329-334.
• Daltveit AK, Irgens LM, Øyen N, Skjærven R, Markestad T, Alm B, Wennergren G, Norvenius G, Helweg-Larsen K. Sociodemographic risk factors for Sudden Infant Death Syndrome: associations with other risk factors. The Nordic Epidemiological SIDS Study. Acta Paediatrica. 1998;87:284-290.
• Daltveit AK, Irgens LM. Hva var verdt å ta med hjem fra Rouen? Epidemiologene forteller. Oss foreldre imellom, medlemsblad for Landsforeningen til støtte ved krybbedød 1998, nr. 2.
• Irgens LM. The Medical Birth Registry of Norway; a source for epidemiological and clinical research. Scand J Rheumatol 1998;27(Suppl. 107):105-8
• Irgens Å, Krüger K, Skorve AH, Irgens LM. Reproductive Outcome in Offspring of Parents Occupationally Exposed to Lead in Norway. Am J of Industrial Medicine 1998;34:431-37.
• Jacobsen BK, Nilssen S, Heuch I, Kvåle G. Reproductive factors and fatal hip fractures. A Norwegian prospective study of 63,000 women. J Epidemiol community Health 1998;52:645-650.
• Haug K, Irgens LM, Markestad T, Skjærven R, Baste V, Schreuder PC. Secular trends in breastfeeding and parental smoking. Acta Paediatrica 1998;87:1023-27.
• Heuch JM, Heuch I, Akslen LA, Kvåle G. Risk of primary childhood brain tumors related to birth characteristics: A Norwegian prospective study. Int. J. Cancer 1998;77:498-503
• Lie RT, Rasmussen S, Brunborg H, Gjessing HK, Lie-Nielsen E, Irgens LM. Fetal and maternal contributions to risk of pre-eclampsia: population based study. BMJ 1998;316:1343-47.
• Markestad T, Irgens LM. Barn med ekstremt lav fødselsvekt. Oss foreldre imellom, medlemsblad for Landsforeningen til støtte ved krybbedød 1998, nr. 4:44.
• Medisinsk fødselsregister (Medical Birth Registry of Norway). Årsmelding 1997 (Annual report 1997). Bergen 1998.
• Medisinsk fødselsregister. Fødsler i Norge gjennom 30 år 1967-96. (Births in Norway through 30 years). Bergen, Medisinsk fødselsregister, 1998.
• Medisinsk fødselsregister. Veiledning for utfylling av melding til Medisinsk fødselsregister. Bergen, Medisinsk fødselsregister 1998.
• Rasmussen S, Irgens LM, Dalaker K. The effect on the likelihood of further pregnancy of placental abruption and the rate of its recurrence. (Author’s reply). Br J Obst Gyn 1998;105:1125
• Rasmussen S. Abruptio placentae. Studies on the premature separation of the normally implanted placenta in Norway 1967-1992. Doctoral thesis. University of Bergen 1998.
• Schreuder PS, Irgens LM. Nasjonal epidemiologisk overvåking av krybbedød i Norge. Oss foreldre imellom, medlemsblad for Landsforeningen til støtte ved krybbedød 1998, nr. 4:43.
• Schreuder PS, Irgens LM. Den norske mor og barn-studien. Oss foreldre imellom, medlemsblad for Landsforeningen til støtte ved krybbedød 1998, nr. 4:44.
• Skomsvoll JF, Østensen M, Irgens LM, Baste V. Obstetrical and neonatal outcome in patients with rheumatic disease. Scand J Rheumatol 1998;27(Suppl 107):109-12
• Stoltenberg C, Magnus P, Lie RT, Daltveit AK, Irgens LM. Influence of consanguinity and maternal education on risk of still birth and infant death in Norway 1967-1993. Am J Epidemiol 1998;148:452-9
• Stoltenberg C. Birth defects, stillbirth and infant death – Epidemiological studies on the effects of consanguinity and parental education on births in Norway 1967-1995. Doctoral thesis. University of Oslo 1998.
• Svanes C, Omenaas E, Heuch JM, Irgens LM, Gulsvik A. Birth characteristics and asthma symtoms in young adults: results from a population-based cohort study in Norway. Eur Respir J 1998;12:1366-1370
• Tell GS - Medforfatter: Tilgang til helseregistre. Norges Offentlige Utredninger (NOU) 1997:26. 1998.
• Tell GS - Medforfatter: Anbefalinger og virkemidler for økt folatinntak blant kvinner i fertil alder. Statens ernæringsråd, rapport nr. 1/1998.
• Tell GS, Vollset SE, Lande B, Pedersen JI, Løken EB, Jacobsen BK. Folat og helse - ny kunnskap og nye anbefalinger. [Folate and health - new knowledge and new recommendations]. Tidsskr Nor Lægeforen 1998;118(20):3155-60.
• Weinberg CR, Wilcox AJ, Lie RT. A log-linear approach to case-parent-triad data: assessing effects of disease genes that act either directly or through maternal effects and that may be subject to parental imprinting. Am-J-Hum-Genet. 1998;62(4):969-78.
• Wilcox AJ, Weinberg CR, Lie RT. Distinguishing the effects of maternal and offspring genes through studies of "case-parent triads". Am J Epidemiol 1998;148(9):893-901.

1999

• Alm B, Wennergren  G, Norvenius G, Skjærven R, Øyen N, Helweg Larsen K, Lagercrantz H, Irgens LM. Caffeine and alcohol as risk factors for sudden infant death syndrome. Archives of Disease in Childhood,1999;81:107-111
• Bjerkedal T, Thune O, Irgens LM. Tidlig identifisering av barn med økt risiko for varig arberidsuførhet. Tidsskr Nor Lægeforen 1999;119:652-6.
• Daltveit AK. Geographical, temporal and sociodemographic variations in pregnancy outcome. Epidemiological studies based on the Medical birth Registry of Norway, the Swedish Medical birth Registry, and the Nordic SIDS Study. Thesis. University of Bergen, Norway 1999.
• Daltveit AK, Vollset SE, Skjærven R, Irgens LM. Impact of multiple births and elective deliveries on the trends in low birth weight in Norway 1967-95. Am J Epidemiol 1999:149:1128-33
• Daltveit AK, Vollset SE, Irgens LM. Population density and perinatal mortality in Norway and Sweden, 1975-1988. Scand J Public Health 1999;27:213-19
• Gjessing HK, Skjærven R, Wilcox AJ. Errors in gestational age: evidence of bleeding early in pregnancy. Am Public Health.1999 Feb; 89(2): 213-8.
• Helweg-Larsen K, Banner Lundemose J, Øyen N, Skjærven R, Alm B, Wennergren G, Markestad T, Irgens LM. Interactions of infectious symptoms and modifiable risk factors in sudden infant death syndrome. Acta Pædiatrica 1999;88:521-7.
• Irgens LM. Genetisk epidemiologi og tvillingforskning (editorial). Tidsskr Nor Lægeforen, 1999;119:3251.
• Irgens Å, Irgens LM. Male proportions in offspring of military air pilots in Norway. Norsk Epidemiologi 1999;9:47-49
• Irgens Å, Irgens LM. Interpreting the female excess among births to women with adverse chemical or occupational exposures. (Letter) Am J of Industrial Medicine 1999;35:665
• Kiserud T, Saito T, Ozaki T, Rasmussen S, Hanson MA. Validation of diameter measurements by ultrasound: intraobserver and interobserver variations assessed in vitro and in fetal sheep. Ultrasound Obstet Gynecol 1999;13:52-57
• Kristensen P, Irgens LM. Multiple pregnancies among women engaged in agriculture in Norway, 1967-91. Norsk Epidemiologi 1999;9:57-64.
• Medisinsk fødselsregister (Medical Birth Registry of Norway). Årsmelding 1998 (Annual report 1998). Bergen 1999.
• Melve KK, Skjærven R, Gjessing HK, Øyen N. Recurrence of Gestational Age in Sibships: Implications for Perinatal Mortality. Am J Epidemiol 1999;150 (7):756-762.
• Moster D, Lie RT, Markestad T. Relation between size of delivery unit and neonatal death in low-risk deliveries: population based study. Arch Dis Child Fetal Neonatal Ed 1999;80(3):F221-5.
• Rasmussen R, Irgens LM, Dalaker K. A history of placental dysfunction and risk of placental abruption. Paediatric and Perinatal Epidemiology 1999;13:9-21.
• Rosano A, Smithells D, Cacciani L, Botting B, Castilla E, Cornel M, Erickson D, Goujard J, Irgens LM, Merlob P, Robert E, Siffel C, Stoll C, Sumiyoshi Y. Time trends in neural tube defects prevalence in relations to preventive strategies: an international study.J of Epidemiology & Community Health 1999;53:630-635.
• Skjærven R, Wilcox AJ, Lie RT. A population-based study og survival and childbearing among female subjects with birth defects and the risk of recurrence in their children. New Eng J Med 1999;340:1057-62
• Skomsvoll JF, Østensen M. Irgens LM, Baste V. Perinatal outcome in pregnancies of women with connective tissue disease and inflammatory rheumatic disease in Norway. Scand J Rheumatol 1999; 28:352-6.
• Stoltenberg C, Magnus P, Skrondal A, Lie RT. Consanguinity and recurrence risk of birth defects: a population-based study. Am J Med Genet 1999;82(5):423-8.
• Stoltenberg C, Magnus P, Skrondal A, Lie RT. Consanguinity and recurrence risk of stillbirth and infant death. Am J Public Health 1999;89(4):517-23.
• Tandberg A, Albrechtsen S, Iversen OE. Manual removal of the placenta. Incidence and clinical significance. Acta Obstet Gynecol Scand. 1999;78(1):33-6.
• Ulstein M, Irgens Å, Irgens LM. Secular trends in sperm variables for groups of men in fertile and infertile unions. Acta Obstet Gynecol Scand 1999;78:332-335

      Publikasjoner med data fra MFR

• Alm, B. Sudden Infant Death Syndrome in Scandinavia. An Epidemiological Study. Thesis. The Queen Silvia Children’s Hospital, Göteborg 1999
• Catalano R, Hansen H-T, Hartig T. The Ecological Effect of Unemployment in the Incidence of Very Low Birthwight in Norway and Sweden. J of Health and Social Behavior 1999;40: 422-428
• Dahl LB, Kaaresen PI, Fundingsrud HP. Barn med fødselsvekt = 1500g fra Troms og Finnmark i perioden 1978-89. Tidsskr Nor Lægeforen 1999;119(2):180-85
• Eskild A, Jeansson S, Jenum PA. Herpes simplex virus type 2 antistoffer hos gravide kvinner i Norge.  Tidsskr Nor Lægeforen, 1999;119:2323-6.
• Kristensen P. Parental exposure, adverse pregnancy and offspring effects - perspectives in developmental epidemiolgy. Scand J Work Environ Health 1999;25(6):541-549.
• Magnus P, Jakkola JJK., Skrondal A, Aleksander J, Becher G, Krogh T, Dybing E. Water Chlorination and Birth Defects. Epidemiology 1999;10 (5):513-517.
• Vik T, Borthne K, Johansen OJ. Barn og unge med Downs syndrom i Sør-Trøndelag 1978-97. Tidskr Nor Lægeforen 1999;119(25):3743-6
• Alm, B. Sudden Infant Death Syndrome in Scandinavia. An Epidemiological Study. Thesis. The Queen Silvia Children’s Hospital, Göteborg 1999
• Catalano R, Hansen H-T, Hartig T. The Ecological Effect of Unemployment in the Incidence of Very Low Birthwight in Norway and Sweden. J of Health and Social Behavior 1999;40: 422-428
• Dahl LB, Kaaresen PI, Fundingsrud HP. Barn med fødselsvekt = 1500g fra Troms og Finnmark i perioden 1978-89. Tidsskr Nor Lægeforen 1999;119(2):180-85
• Eskild A, Jeansson S, Jenum PA. Herpes simplex virus type 2 antistoffer hos gravide kvinner i Norge.  Tidsskr Nor Lægeforen, 1999;119:2323-6.
• Kristensen P. Parental exposure, adverse pregnancy and offspring effects - perspectives in developmental epidemiolgy. Scand J Work Environ Health 1999;25(6):541-549.
• Magnus P, Jakkola JJK., Skrondal A, Aleksander J, Becher G, Krogh T, Dybing E. Water Chlorination and Birth Defects. Epidemiology 1999;10 (5):513-517.
• Vik T, Borthne K, Johansen OJ. Barn og unge med Downs syndrom i Sør-Trøndelag 1978-97. Tidskr Nor Lægeforen 1999;119(25):3743-6