Hjem
  • E-postKari.Klungsoyr@uib.no
  • Telefon+47 55 58 85 35
  • Besøksadresse
    Alrek helseklynge, blokk D, Årstadveien 17
  • Postadresse
    Postboks 7804
    5020 Bergen
Vitenskapelig artikkel
  • Vis forfatter(e) (2021). Prevention of Neural Tube Defects in Europe: A Public Health Failure. Frontiers in pediatrics. 1-9.
  • Vis forfatter(e) (2021). Male to female ratios in autism spectrum disorders by age, intellectual disability and attention-deficit/hyperactivity disorder. Acta Psychiatrica Scandinavica. 1-12.
  • Vis forfatter(e) (2021). Macrolide and lincosamide antibiotic exposure in the first trimester of pregnancy and risk of congenital anomaly: A European case-control study. Reproductive Toxicology. 101-108.
  • Vis forfatter(e) (2021). Epidemiology of Pierre-Robin sequence in Europe: A population-based EUROCAT study. Paediatric and Perinatal Epidemiology. 530-539.
  • Vis forfatter(e) (2021). Clustering Longitudinal Blood Pressure Trajectories to Examine Heterogeneity in Outcomes among Preeclampsia Cases and Controls. Hypertension. 2034-2044.
  • Vis forfatter(e) (2021). COVID‐19 in pregnancy – characteristics and outcomes of pregnant women admitted to hospital because of SARS‐CoV‐2 infection in the Nordic countries. Acta Obstetricia et Gynecologica Scandinavica. 1-9.
  • Vis forfatter(e) (2020). Sex of the first-born and obstetric complications in the subsequent birth. A study of 2.3 million second births from Denmark, Finland, Norway, and Sweden. Acta Obstetricia et Gynecologica Scandinavica. 1381-1386.
  • Vis forfatter(e) (2020). Sex differences in parent–offspring recurrence of attention-deficit/hyperactivity disorder. Journal of Child Psychology and Psychiatry. 1-9.
  • Vis forfatter(e) (2020). Multilevel analyses of related public health indicators: The European Surveillance of Congenital Anomalies (EUROCAT) Public Health Indicators. Paediatric and Perinatal Epidemiology. 122-129.
  • Vis forfatter(e) (2020). Maternal use of folic acid and multivitamin supplements and infant risk of birth defects in Norway, 1999–2013. British Journal of Nutrition. 316-329.
  • Vis forfatter(e) (2020). Maternal risk factors for the VACTERL association: A EUROCAT case-control study. Birth Defects Research. 688-698.
  • Vis forfatter(e) (2020). Interpregnancy weight change and recurrence of gestational diabetes mellitus: a population-based cohort study. BJOG: An International Journal of Obstetrics and Gynaecology. 1608-1616.
  • Vis forfatter(e) (2020). Heart failure in women with hypertensive disorders of pregnancy: Insights from the cardiovascular disease in Norway project. Hypertension. 1506-1513.
  • Vis forfatter(e) (2020). Genetic predisposition to hypertension is associated with preeclampsia in European and Central Asian women. Nature Communications. 1-14.
  • Vis forfatter(e) (2020). Does caesarean delivery in the first pregnancy increase the risk for adverse outcome in the second? A registry-based cohort study on first and second singleton births in Norway. BMJ Open. 1-9.
  • Vis forfatter(e) (2020). Cancer risk in individuals with major birth defects: large Nordic population based case-control study among children, adolescents, and adults. The BMJ. 14 sider.
  • Vis forfatter(e) (2020). Attention-deficit/hyperactivity disorder and smoking habits in pregnant women. PLOS ONE. 13 sider.
  • Vis forfatter(e) (2019). Spectrum of congenital anomalies among VACTERL cases: a EUROCAT population-based study. Pediatric Research. 1-9.
  • Vis forfatter(e) (2019). Patterns of psychiatric comorbidity and genetic correlations provide new insights into differences between attention-deficit/hyperactivity disorder and autism spectrum disorder. Biological Psychiatry. 46 sider.
  • Vis forfatter(e) (2019). Methadone, Pierre Robin sequence and other congenital anomalies: case–control study. Archives of Disease in Childhood: Fetal and Neonatal Edition. 151-157.
  • Vis forfatter(e) (2019). Maternal age and risk of cesarean section in women with induced labor at term—A Nordic register‐based study. Acta Obstetricia et Gynecologica Scandinavica. 283-289.
  • Vis forfatter(e) (2019). Epidemiology of limb reduction defects as registered in the Medical Birth Registry of Norway, 1970-2016: Population based study. PLOS ONE. 1-17.
  • Vis forfatter(e) (2019). Epidemiology of congenital cerebral anomalies in Europe: a multicentre, population-based EUROCAT study. Archives of Disease in Childhood. 1181-1187.
  • Vis forfatter(e) (2019). Epidemiology of achondroplasia: A population-based study in Europe. American Journal of Medical Genetics. Part A. 1791-1798.
  • Vis forfatter(e) (2019). Epidemiology of Dandy-Walker malformation in Europe: A EUROCAT population-based registry study. Neuroepidemiology. 169-179.
  • Vis forfatter(e) (2019). Congenital clubfoot in Europe: A population-based study. American Journal of Medical Genetics. Part A. 595-601.
  • Vis forfatter(e) (2018). Trends in prescription drug use during pregnancy and postpartum in Norway, 2005 to 2015. Pharmacoepidemiology and Drug Safety. 995-1004.
  • Vis forfatter(e) (2018). The five-year survival of children with Down syndrome in Norway 1994-2009 differed by associated congenital heart defects and extracardiac malformations. Acta Paediatrica. 845-853.
  • Vis forfatter(e) (2018). Risk of eclampsia or HELLP-syndrome by institution availability and place of delivery - A population-based cohort study. Pregnancy Hypertension. 1-8.
  • Vis forfatter(e) (2018). Pregnancy-related risk factors are associated with a significant burden of treated hypertension within 10 years of delivery: Findings from a population-based Norwegian Cohort. Journal of the American Heart Association (JAHA). 20 sider.
  • Vis forfatter(e) (2018). Metformin exposure in first trimester of pregnancy and risk of all or specific congenital anomalies: exploratory case-control study. The BMJ. 9 sider.
  • Vis forfatter(e) (2018). Epidemiology of septo-optic dysplasia with focus on prevalence and maternal age? A EUROCAT study. European Journal of Medical Genetics. 483-488.
  • Vis forfatter(e) (2018). Common psychiatric and metabolic comorbidity of adult attention-deficit/hyperactivity disorder: A population-based cross-sectional study. PLOS ONE. 12 sider.
  • Vis forfatter(e) (2018). Can oxytocin augmentation modify the risk of epidural analgesia by maternal age in cesarean sections? Acta Obstetricia et Gynecologica Scandinavica. 872-879.
  • Vis forfatter(e) (2018). A Family Based Study of Carbon Monoxide and Nitric Oxide Signalling Genes and Preeclampsia. Paediatric and Perinatal Epidemiology. 1-12.
  • Vis forfatter(e) (2017). The limitations of some European healthcare databases for monitoring the effectiveness of pregnancy prevention programmes as risk minimisation measures. European Journal of Clinical Pharmacology. 513-520.
  • Vis forfatter(e) (2017). Preterm births and use of medication in early adulthood: a population-based registry study. Pharmacoepidemiology and Drug Safety. 742-751.
  • Vis forfatter(e) (2017). National Rates of Uterine Rupture are not Associated with Rates of Previous Caesarean Delivery: Results from the Nordic Obstetric Surveillance Study. Paediatric and Perinatal Epidemiology. 176-182.
  • Vis forfatter(e) (2017). Mode of first delivery and severe maternal complications in the subsequent pregnancy. Acta Obstetricia et Gynecologica Scandinavica. 1053-1062.
  • Vis forfatter(e) (2017). Increased risk of peripartum perinatal mortality in unplanned births outside an institution: a retrospective population-based study. American Journal of Obstetrics and Gynecology. 210.e1-210.e12.
  • Vis forfatter(e) (2017). Gestational diabetes mellitus and interpregnancy weight change: A population-based cohort study. PLoS Medicine. 19 sider.
  • Vis forfatter(e) (2017). Gender differences in psychiatric comorbidity: a population-based study of 40 000 adults with attention deficit hyperactivity disorder. Acta Psychiatrica Scandinavica. 176-186.
  • Vis forfatter(e) (2017). Gastroschisis in Europe - a Case-malformed-control study of medication and maternal illness during pregnancy as risk factors. Paediatric and Perinatal Epidemiology. 549-559.
  • Vis forfatter(e) (2017). Congenital anomalies and the severity of impairments for cerebral palsy. Developmental Medicine & Child Neurology. 1174-1180.
  • Vis forfatter(e) (2017). Chronic hypertension in women after perinatal exposure to preeclampsia, being born small for gestational age or preterm. Paediatric and Perinatal Epidemiology. 89-98.
  • Vis forfatter(e) (2017). Cesarean section trends in the Nordic Countries - a comparative analysis with the Robson classification. Acta Obstetricia et Gynecologica Scandinavica. 607-616.
  • Vis forfatter(e) (2017). Beta-Blocker Use in Pregnancy and Risk of Specific Congenital Anomalies: A European Case-Malformed Control Study. Drug Safety. 13 sider.
  • Vis forfatter(e) (2017). Attention-deficit/hyperactivity disorder in offspring of mothers with inflammatory and immune system diseases. Biological Psychiatry. 452-459.
  • Vis forfatter(e) (2017). Associations between attention-deficit/hyperactivity disorder and autoimmune diseases are modified by sex: a population-based cross-sectional study. European Child and Adolescent Psychiatry. 1-13.
  • Vis forfatter(e) (2017). Association between pregravid physical activity and family history of stroke and risk of stillbirth: Population-based cohort study. BMJ Open. 1-8.
  • Vis forfatter(e) (2016). Variations in very preterm birth rates in 30 high- income countries: are valid international compari sons possible using routine data? . BJOG: An International Journal of Obstetrics and Gynaecology. 1-10.
  • Vis forfatter(e) (2016). Variations in multiple birth rates and impact on perinatal outcomes in Europe. PLOS ONE.
  • Vis forfatter(e) (2016). Socioeconomic inequalities in stillbirth rates in Europe: measuring the gap using routine data from the Euro-Peristat Project. BMC Pregnancy and Childbirth. 1-13.
  • Vis forfatter(e) (2016). Selective Serotonin Reuptake Inhibitor (SSRI) antidepressants in pregnancy and congenital anomalies: Analysis of linked databases in Wales, Norway and Funen, Denmark. PLOS ONE. 26 sider.
  • Vis forfatter(e) (2016). Risk of congenital anomalies after exposure to asthma medication in the first trimester of pregnancy – a cohort linkage study. BJOG: An International Journal of Obstetrics and Gynaecology. 1609-1618.
  • Vis forfatter(e) (2016). Prevalence of microcephaly in Europe: Population based study. The BMJ. 6 sider.
  • Vis forfatter(e) (2016). Prescribing of antidiabetic medicines before, during and after pregnancy: A study in seven European regions. PLOS ONE. 17 sider.
  • Vis forfatter(e) (2016). Preconception cardiovascular risk factor differences between gestational hypertension and preeclampsia: Cohort Norway study. Hypertension. 1173-1180.
  • Vis forfatter(e) (2016). Maternal use of folic acid supplements and infant risk of neural tube defects in Norway 1999-2013. Scandinavian Journal of Public Health. 619-626.
  • Vis forfatter(e) (2016). Maternal smoking status in successive pregnancies and risk of having a small for gestational age infant. Paediatric and Perinatal Epidemiology. 21-28.
  • Vis forfatter(e) (2016). Long-term mortality in mothers with perinatal losses and risk modification by surviving children and attained education: A population-based cohort study. BMJ Open. 8 sider.
  • Vis forfatter(e) (2016). Elective cesarean section or not? Maternal age and risk of adverse outcomes at term: A population-based registry study of low-risk primiparous women. BMC Pregnancy and Childbirth. 11 sider.
  • Vis forfatter(e) (2016). EUROmediCAT signal detection: an evaluation of selected congenital anomaly-medication associations. British Journal of Clinical Pharmacology. 1094-1109.
  • Vis forfatter(e) (2016). EUROmediCAT signal detection: a systematic method for identifying potential teratogenic medication. British Journal of Clinical Pharmacology. 1110-1122.
  • Vis forfatter(e) (2016). Declines in stillbirth and neonatal mortality rates in Europe between 2004 and 2010: results from the Euro-Peristat project. Journal of Epidemiology and Community Health. 609-615.
  • Vis forfatter(e) (2016). Asthma medication prescribing before, during and after pregnancy: a study in seven European regions. BMJ Open. 13 sider.
  • Vis forfatter(e) (2016). Adult ADHD and Comorbid Somatic Disease: A Systematic Literature Review. Journal of Attention Disorders. 203-228.
  • Vis forfatter(e) (2016). Abnormally invasive placenta—prevalence, risk factors and antenatal suspicion: results from a large population-based pregnancy cohort study in the Nordic countries. BJOG: An International Journal of Obstetrics and Gynaecology. 1348-1355.
  • Vis forfatter(e) (2015). Use of asthma medication during pregnancy and risk of specific congenital anomalies: A European case-malformed control study. Journal of Allergy and Clinical Immunology. 1496-1502.
  • Vis forfatter(e) (2015). The Nordic Obstetric Surveillance Study: A study of complete uterine rupture, abnormally invasive placenta, peripartum hysterectomy, and severe blood loss at delivery. Acta Obstetricia et Gynecologica Scandinavica. 734-744.
  • Vis forfatter(e) (2015). Selective serotonin reuptake inhibitor antidepressant use in first trimester pregnancy and risk of specific congenital anomalies: a European register-based study. European Journal of Epidemiology (EJE). 1187-1198.
  • Vis forfatter(e) (2015). Risk of fetal death with preeclampsia. Obstetrics and Gynecology. 628-635.
  • Vis forfatter(e) (2015). Preeclampsia in pregnancy and later use of antihypertensive drugs. European Journal of Epidemiology (EJE). 501-508.
  • Vis forfatter(e) (2015). Pre-pregnant body mass index and recreational physical activity: effects on perinatal mortality in a prospective pregnancy cohort. BJOG: An International Journal of Obstetrics and Gynaecology. 1322-1330.
  • Vis forfatter(e) (2015). Pre-eclampsia and assisted reproductive technologies: Consequences of advanced maternal age, interbirth intervals, new partner and smoking habits. BJOG: An International Journal of Obstetrics and Gynaecology. 915-922.
  • Vis forfatter(e) (2015). Placental abruption and long-term maternal cardiovascular disease mortality: a population-based registry study in Norway and Sweden. European Journal of Epidemiology (EJE). 501-511.
  • Vis forfatter(e) (2015). Neonatal outcome of singleton term breech deliveries in Norway from 1991 to 2011. Acta Obstetricia et Gynecologica Scandinavica. 997-1004.
  • Vis forfatter(e) (2015). Meckel–Gruber Syndrome: a population-based study on prevalence, prenatal diagnosis, clinical features, and survival in Europe. European Journal of Human Genetics. 746-752.
  • Vis forfatter(e) (2015). Maternal age and emergency operative deliveries at term: a population-based registry study among low-risk primiparous women. BJOG: An International Journal of Obstetrics and Gynaecology. 1642-1651.
  • Vis forfatter(e) (2015). Long term trends in prevalence of neural tube defects in Europe: population based study. The BMJ. 6 sider.
  • Vis forfatter(e) (2015). Improving information on maternal medication use by linking prescription data to congenital anomaly registers: a EUROmediCAT study. Drug Safety. 1083-1093.
  • Vis forfatter(e) (2015). Folic acid supplements and risk of oral clefts in the newborn: A population-based study. British Journal of Nutrition. 1456-1463.
  • Vis forfatter(e) (2015). Epidemiology of hypospadias in Europe: a registry-based study. World Journal of Urology. 2159-2167.
  • Vis forfatter(e) (2015). Epidemiology of congenital diaphragmatic hernia in Europe: A register-based study. Archives of Disease in Childhood: Fetal and Neonatal Edition. F137-F144.
  • Vis forfatter(e) (2015). Emergency peripartum hysterectomy: Results from the prospective Nordic Obstetric Surveillance Study (NOSS). Acta Obstetricia et Gynecologica Scandinavica. 745-754.
  • Vis forfatter(e) (2015). Duration of pregnancy, even at term, predicts long-term risk of coronary heart disease and stroke mortality in women: a population-based study. American Journal of Obstetrics and Gynecology. 518.e1-518.e8.
  • Vis forfatter(e) (2015). Congenital anomalies associated with trisomy 18 or trisomy 13: A registry-based study in 16 european countries, 2000-2011. American Journal of Medical Genetics. Part A. 3062-3069.
  • Vis forfatter(e) (2015). Can 'early programming' be partly explained by smoking? Results from a prospective, population-based cohort study. Paediatric and Perinatal Epidemiology. 50-59.
  • Vis forfatter(e) (2015). Association of Women's Reproductive History with Long-term Mortality and Effect of Socioeconomic Factors. Obstetrics and Gynecology. 1181-1187.
  • Vis forfatter(e) (2015). Antiepileptic drug prescribing before, during and after pregnancy: a study in seven European regions. Pharmacoepidemiology and Drug Safety. 1144-1154.
  • Vis forfatter(e) (2014). Varying gestational age patterns in cesarean delivery: An international comparison. BMC Pregnancy and Childbirth. 9 sider.
  • Vis forfatter(e) (2014). Validity of pre-eclampsia registration in the medical birth registry of Norway for women participating in the Norwegian mother and child cohort study, 1999-2010. Paediatric and Perinatal Epidemiology. 362-371.
  • Vis forfatter(e) (2014). Prevalence, prenatal diagnosis and clinical features of oculo-auriculo-vertebral spectrum: A registry-based study in Europe. European Journal of Human Genetics. 1026-1033.
  • Vis forfatter(e) (2014). Population-based trends in pregnancy hypertension and pre-eclampsia: an international comparative study. BMJ Open.
  • Vis forfatter(e) (2014). Perinatal mortality by gestational week and size at birth in singleton pregnancies at and beyond term: A nationwide population-based cohort study. BMC Pregnancy and Childbirth. 9 sider.
  • Vis forfatter(e) (2014). Perfluoroalkyl substances during pregnancy and validated preeclampsia among nulliparous women in the Norwegian mother and child cohort study. American Journal of Epidemiology. 824-833.
  • Vis forfatter(e) (2014). Major congenital anomalies in babies born with Down syndrome: a EUROCAT population-based registry study. American Journal of Medical Genetics. Part A. 2979-2986.
  • Vis forfatter(e) (2014). Hirschsprung's disease prevalence in Europe: A register based study. Birth Defects Research Part A: Clinical and Molecular Teratology. 695-702.
  • Vis forfatter(e) (2014). Healthcare databases in Europe for studying medicine use and safety during pregnancy. Pharmacoepidemiology and Drug Safety. 586-594.
  • Vis forfatter(e) (2014). Epidemiology of multiple congenital anomalies in Europe: A EUROCAT population-based registry study. Birth Defects Research Part A: Clinical and Molecular Teratology. 270-276.
  • Vis forfatter(e) (2014). Availability and access in modern obstetric care: a retrospective population-based study. BJOG: An International Journal of Obstetrics and Gynaecology. 290-299.
  • Vis forfatter(e) (2014). Associations of adherence to the New Nordic Diet with risk of preeclampsia and preterm delivery in the Norwegian Mother and Child Cohort Study (MoBa). European Journal of Epidemiology (EJE). 753-765.
  • Vis forfatter(e) (2013). Validity of the diagnosis of pre-eclampsia in the Medical Birth Registry of Norway. Acta Obstetricia et Gynecologica Scandinavica. 943-950.
  • Vis forfatter(e) (2013). Validity of pre-eclampsia diagnosis in Medical Birth Registry of Norway. Acta Obstetricia et Gynecologica Scandinavica. 243-950.
  • Vis forfatter(e) (2013). Twenty-year trends in the prevalence of Down syndrome and other trisomies in Europe: impact of maternal age and prenatal screening. European Journal of Human Genetics. 27-33.
  • Vis forfatter(e) (2013). Trends in the prevalence, risk and pregnancy outcome of multiple births with congenital anomaly: a registry-based study in 14 European countries 1984-2007. BJOG: An International Journal of Obstetrics and Gynaecology. 707-716.
  • Vis forfatter(e) (2013). Recent Decrease in the Prevalence of Congenital Heart Defects in Europe. Journal of Pediatrics. 108-U135.
  • Vis forfatter(e) (2013). Pre-pregnant body mass index, gestational weight gain and the risk of operative delivery. Acta Obstetricia et Gynecologica Scandinavica. 809-815.
  • Vis forfatter(e) (2013). Birth outcomes among offspring of adult cancer survivors: A population-based study. International Journal of Cancer. 2696-2705.
  • Vis forfatter(e) (2012). Spectrum of congenital anomalies in pregnancies with pregestational diabetes. Birth Defects Research Part A: Clinical and Molecular Teratology. 134-140.
  • Vis forfatter(e) (2012). Secular trends in the epidemiology of pre-eclampsia throughout 40 years in Norway: prevalence, risk factors and perinatal survival. Paediatric and Perinatal Epidemiology. 190-198.
  • Vis forfatter(e) (2012). Pre- and perinatal risk factors in adults with attention-deficit/hyperactivity disorder. Biological Psychiatry. 474-481.
  • Vis forfatter(e) (2012). Maternal age and elective cesarean section in a low-risk population. Acta Obstetricia et Gynecologica Scandinavica. 816-823.
  • Vis forfatter(e) (2012). In utero exposure to maternal tobacco smoke and subsequent obesity, hypertension, and gestational diabetes among women in the MoBa Cohort. Environmental Health Perspectives. 355-360.
  • Vis forfatter(e) (2012). Cardiovascular mortality after pre-eclampsia in one child mothers: prospective, population based cohort study. BMJ. British Medical Journal. 10 sider.
  • Vis forfatter(e) (2011). Recurrence of prolonged and post-term gestational age across generations: maternal and paternal contribution. BJOG: An International Journal of Obstetrics and Gynaecology. 1630-1635.
  • Vis forfatter(e) (2011). Maternal birth characteristics and perinatal mortality in twin offspring. An intergenerational population-based study in Norway, 1967-2008. BJOG: An International Journal of Obstetrics and Gynaecology. 698-705.
  • Vis forfatter(e) (2010). Valproic acid monotherapy in pregnancy and major congenital malformations. New England Journal of Medicine. 2185-2193.
  • Vis forfatter(e) (2010). Recurrence of stillbirth in sibships: population-based cohort study. American Journal of Epidemiology. 1123-1130.
  • Vis forfatter(e) (2010). Mothers' and fathers' birth characteristics and perinatal mortality in their offspring: a population-based cohort study. Paediatric and Perinatal Epidemiology. 282-292.
  • Vis forfatter(e) (2010). Intrauterine exposure to carbamazepine and specific congenital malformations: systematic review and case-control study. BMJ (Clinical Research Edition). 7 sider.
  • Vis forfatter(e) (2010). International trends of Down Syndrome 1993-2004: births in relation to maternal age and terminations of pregnancies. Birth Defects Research Part A: Clinical and Molecular Teratology. 474-479.
  • Vis forfatter(e) (2009). Self-selection and bias in a large prospective pregnancy cohort in Norway. Paediatric and Perinatal Epidemiology. 597-608.
  • Vis forfatter(e) (2009). Prior adverse pregnancy outcome and the risk of stillbirth. Obstetrics and Gynecology. 1259-1270.
  • Vis forfatter(e) (2009). Intergenerational birth weight associations by mother's birth order - The mechanisms behind the paradox: A population-based cohort study. Early Human Development. 577-581.
  • Vis forfatter(e) (2008). Registration of Down syndrome in the Medical Birth Registry of Norway: Validity and time trends. Acta Obstetricia et Gynecologica Scandinavica. 824-830.
  • Vis forfatter(e) (2008). Parenthood probability and pregnancy outcome in patients with a cancer diagnosis during adolescence and young adulthood. Human Reproduction. 178-186.
  • Vis forfatter(e) (2008). Outcomes of pregnancies following a birth with major birth defects: A population based study. Early Human Development. 651-657.
  • Vis forfatter(e) (2008). Maternal and paternal contribution to intergenerational recurrence of breech delivery: population based cohort study. BMJ. British Medical Journal. 872-876.
  • Vis forfatter(e) (2007). Selective fertility – the examples of perinatal death and preeclampsia. Norsk Epidemiologi. 175-180.
  • Vis forfatter(e) (2007). Reduced fertility after cesarean delivery - A maternal choice. Obstetrics and Gynecology. 1256-1263.
  • Vis forfatter(e) (2007). Genetic and environmental influences on birth weight, birth length, head circumference and gestational age using population based parent-offspring data. American Journal of Epidemiology. 734-741.
  • Vis forfatter(e) (2005). Twenty years experience with semen cryopreservation in testicular cancer patients: who needs it? European Urology. 779-785.
  • Vis forfatter(e) (2005). Twenty years experience with semen cryopreservation in testicular cancer patients: who needs it? European Urology. 779-785.
  • Vis forfatter(e) (2005). Parenthood in survivors after adulthood cancer and perinatal health in their offspring. Journal of the National Cancer Institute. Monographs. 77-82.
  • Vis forfatter(e) (2005). Parenthood in Survivors After Adulthood Cancer and Perinatal Health in Their Offspring: A Preliminary Report. Journal of the National Cancer Institute. Monographs. 77-82.
  • Vis forfatter(e) (2000). Infant's length at birth: an independent effect on perinatal mortality. Acta Obstetricia et Gynecologica Scandinavica. 459-464.
  • Vis forfatter(e) (1994). Signs of subclinical eating disorders in teenage girls. Scandinavian Journal of Primary Health Care. 197-203.
Rapport
  • Vis forfatter(e) (2014). Årstabeller for Medisinsk fødselsregister 2012. Fødsler i Norge. 2012. 2012. .
  • Vis forfatter(e) (2013). Årstabeller for Medisinsk fødselsregister 2011. Fødsler i Norge. 2011. 2011. .
  • Vis forfatter(e) (2012). Tidlig ultralyd i svangerskapsomsorgen. .
  • Vis forfatter(e) (2005). Alkohol og graviditet: Hva er farlig for fosteret? Hvordan forebygge og behandle? Rapport fra en ekspertgruppe (IS-1284). .
Vitenskapelig foredrag
  • Vis forfatter(e) (2019). Parent-offspring recurrence of attention-deficit/hyperactivity disorder.
  • Vis forfatter(e) (2019). Parent-offspring recurrence of ADHD.
  • Vis forfatter(e) (2018). Psychiatric comorbidity and genetic correlations provide new insights into differences between ADHD and autism .
  • Vis forfatter(e) (2018). Psychiatric comorbidity and genetic correlations provide new insights into differences between ADHD and autism .
  • Vis forfatter(e) (2018). Psychiatric comorbidities in adults with ADHD and/or autism: Can patterns of comorbidities together with genetics add knowledge on etiologic relations? .
  • Vis forfatter(e) (2017). Psychiatric comorbidities in male and female adults with ADHD.
  • Vis forfatter(e) (2017). Maternal age, epidural analgesia and oxytocin augmentation as risk factors for cesarean delivery in nulliparous women in spontaneous labor at term.
  • Vis forfatter(e) (2017). Gender Differences in Psychiatric Comorbidity: A Population-based Study of 40,000 Adults with Attention-Deficit/Hyperactivity Disorder.
  • Vis forfatter(e) (2014). Cesarean delivery in induced women - Nordic countries 2000-2011.
  • Vis forfatter(e) (2014). Caesaren delivery inNordic countries 1991-2011: a registry study using the Robson groups.
Leder
  • Vis forfatter(e) (2014). The Nordic medical birth registers - a potential goldmine for clinical research. Acta Obstetricia et Gynecologica Scandinavica. 132-137.
  • Vis forfatter(e) (2012). Recurrence of Prolonged and Postterm Gestational Age Across Generations: Maternal and Paternal Contribution EDITORIAL COMMENT. Obstetrical and Gynecological Survey. 207-208.
Leserinnlegg
  • Vis forfatter(e) (2018). Risiko for peripartum perinatal død ved fødsler i fødestue. Tidsskrift for Den norske legeforening. 1213-1213.
  • Vis forfatter(e) (2014). Re: Antiepileptika og medfødte misdannelser :. Tidsskrift for Den norske legeforening. 1543-1544.
Populærvitenskapelig artikkel
  • Vis forfatter(e) (1994). Pasienter med spiseforstyrrelser – Hva kan gjøres i allmennpraksis? . Helsesekretæren. 16-19.
Brev til redaktøren
  • Vis forfatter(e) (2017). Reply. American Journal of Obstetrics and Gynecology. 495-496.
Doktorgradsavhandling
  • Vis forfatter(e) (2020). Attention-deficit/hyperactivity disorder; sex differences in psychiatric comorbidity and transgenerational recurrence risks : A population-based study using Norwegian registry data.
  • Vis forfatter(e) (2019). Maternal weight, weight change and perinatal outcomes: Can physical activity and gestational weight gain modify the risk?
  • Vis forfatter(e) (2018). Obstetric care in Norway - the role of institution availability and place of delivery for maternal and perinatal outcomes. Population-based retrospective cohort studies.
  • Vis forfatter(e) (2010). Generations, reproduction and birth outcome : a registry-based cohort study in Norway 1967-2006.
  • Vis forfatter(e) (2003). Pregnancy outcome and family data: Heterogeneity of risk, and sibling dependencies. Epidemiological studies of births in Norway, 1967-1998.
Sammendrag/abstract
  • Vis forfatter(e) (2018). Metformin exposure in the first trimester of pregnancy and risk of all or specific congenital anomalies: Exploratory case-control study. Obstetrical and Gynecological Survey. 619-620.
  • Vis forfatter(e) (2013). Low birth weight babies are more often smokers as adults. American Journal of Epidemiology. S77-S77.
  • Vis forfatter(e) (2013). Availability and access in modern obstetric care: a retrospective population-based cohort study. BJOG: An International Journal of Obstetrics and Gynaecology. 412-413.
  • Vis forfatter(e) (2012). Risk of preeclampsia in pregnancies from assisted reproductive technologies. Acta Obstetricia et Gynecologica Scandinavica. 132-132.
  • Vis forfatter(e) (2012). Nordic Obstetric Surveillance Study (NOSS). Preliminary results and perspectives. Acta Obstetricia et Gynecologica Scandinavica. 45-46.
  • Vis forfatter(e) (2012). IS INCREASED PERINATAL MORTALITY FOR THE SECOND TWIN RELATED TO ASSISTED REPRODUCTIVE TECHNIQUES? A POPULATION BASED COHORT STUDY FROM NORWAY, 1988-2008. American Journal of Epidemiology. S37-S37.
  • Vis forfatter(e) (2010). Classification of pre-eclamptic pregnancies in health registries. An evaluation of criteria selected and pregnancies included in the Medical Birth Registry of Norway. Hypertension in Pregnancy.
  • Vis forfatter(e) (2009). Down Syndrome registration in the Medical Birth Registry of Norway: Validity and time trends. Birth Defects Research Part A: Clinical and Molecular Teratology. 238-238.
  • Vis forfatter(e) (2008). Registration of Down's syndrome in the medical birth registry of Norway; validity and time trends. European Journal of Neurology. 348-349.
  • Vis forfatter(e) (2007). Recurrence of stillbirth by gestational age. American Journal of Epidemiology. S27-S27.
  • Vis forfatter(e) (2007). Preeclampsia and long-term maternal mortality. American Journal of Epidemiology. S27-S27.
Poster
  • Vis forfatter(e) (2014). Caesarean delivery among nulliparous women - Nordic countries 2000-2011.
  • Vis forfatter(e) (2014). Breech deliveries in the Nordic countries.
  • Vis forfatter(e) (2010). Classification of pre-eclamptic pregnancies in health registries. An evaluation of criteria selected and pregnancies included in the Medical Birth Registry of Norway.
Errata
  • Vis forfatter(e) (2017). Correction to: Associations between attention-deficit/hyperactivity disorder and autoimmune diseases are modified by sex: a population-based cross-sectional study. European Child and Adolescent Psychiatry. 1-1.
Vitenskapelig oversiktsartikkel/review
  • Vis forfatter(e) (2018). Trends in congenital anomalies in Europe from 1980 to 2012. PLOS ONE. 18 sider.
  • Vis forfatter(e) (2016). Variations in rates of severe perineal tears an d episiotomies in 20 European countries: a study based on routine national data in Euro-Peristat Project . Acta Obstetricia et Gynecologica Scandinavica. 746-754.
  • Vis forfatter(e) (2015). Change in paternity, risk of placental abruption and confounding by birth interval: A population-based prospective cohort study in Norway, 1967-2009. BMJ Open. 8 sider.

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