- E-post
- nils-halvdan.morken@uib.no
- Besøksadresse
-
Glasblokkene blokk 1 Haukelandsbakken 15
5021 Bergen - Rom: 5152
- Postadresse
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Postboks 7804
5020 Bergen
Undervisning
Obstetrikk og Gynekologi i MED 9
Masterstudiet i ernæring
Publikasjoner
2025
- Warp, Mari Landås; Skåra, Karoline Hansen; Grindstad, Thea Karoline Walstad et al. (2025). The functional ovarian anatomy of 492 women aged 18–22 years: a population-based study in Norway. (ekstern lenke)
- Magnus, Maria Christine; Lee, Yunsung; Carlsen, Ellen Øen et al. (2025). Correction: Parental epigenetic age acceleration and risk of adverse birth outcomes: the Norwegian mother, father and child cohort study. (ekstern lenke)
- Wyatt, Chloe Sage; Skjaerven, Rolv; Vatten, Lars Johan et al. (2025). Hypertensive Disorders of Pregnancy, Preterm Delivery, and Infant Size: Which Mothers Have Highest Cardiovascular Disease Mortality?. (ekstern lenke)
- Einum, Anders; Nilsen, Roy Miodini; Harmon, Quaker E. et al. (2025). Timing of progesterone treatment to prevent preterm birth in pregnancies with a short cervix: A population-based historical cohort study. (ekstern lenke)
- Rotevatn, Torill Alise; Høy-Petersen, Nina; Hussaini, Lema et al. (2025). Utilization of antenatal care among immigrant women in Norway: a nationwide register-based cohort study. (ekstern lenke)
- Warp, Mari Landås; Grindstad, Thea Karoline Walstad; Skåra, Karoline Hansen et al. (2025). Maternal time interval between menarche and childbirth is associated with daughter's age at menarche. (ekstern lenke)
2024
- Warp, Mari Landås; Grindstad, Thea Karoline Walstad; Magnus, Maria Christine et al. (2024). Early or late menarche is associated with reduced fecundability in the Norwegian Mother, Father and Child Cohort Study. (ekstern lenke)
- Arshad, Nadia; Skjaerven, Rolv; Klungsøyr, Kari et al. (2024). Pregnancy-Associated Maternal Mortality Within One Year After Childbirth: Population-Based Cohort Study. (ekstern lenke)
- Nordklev, Cecilie Bryn; Gjesdal, Ola; Gunnes, Nina et al. (2024). Down syndrome and associated atrioventricular septal defects in a nationwide Norwegian cohort: Prevalence, time trends, and outcomes. (ekstern lenke)
- Mæland, Karolina S.; Morken, Nils-Halvdan; Schytt, Erica et al. (2024). Associations between non-registered ultrasound examination in pregnancy and adverse perinatal outcomes in immigrant and non-immigrant women: a Norwegian population-based study 1999–2016. (ekstern lenke)
- Magnus, Maria Christine; Lee, Yunsung; Carlsen, Ellen Øen et al. (2024). Parental epigenetic age acceleration and risk of adverse birth outcomes: the Norwegian mother, father and child cohort study. (ekstern lenke)
- Nilsen, Roy Miodini; Strandberg, Ragnhild Bjarkøy; Yaya, Yaliso et al. (2024). Pre-pregnancy obesity among immigrant and non-immigrant women in Norway: Prevalence, trends, and subgroup variations. (ekstern lenke)
- Einum, Anders; Harmon, Quaker E.; Sørbye, Linn Marie et al. (2024). Associations between term cesarean delivery in the first pregnancy and second-pregnancy preterm delivery. (ekstern lenke)
2023
- Mæland, Karolina Sofia; Nilsen, Roy Miodini; Morken, Nils-Halvdan et al. (2023). Migration-related risk factors and perinatal outcomes: A national population-based study of immigrant and non-immigrant women in Norway. (ekstern lenke)
- Sima, Yeneabeba Tilahun; Magnus, Maria Christine; Kvalvik, Liv Grimstvedt et al. (2023). The relationship between cesarean delivery and fecundability: a population-based cohort study. (ekstern lenke)
- Basnet, Prativa; Skjaerven, Rolv; Harmon, Quaker E. et al. (2023). Birthweight of the subsequent singleton pregnancy following a first twin or singleton pregnancy. (ekstern lenke)
- Rasmussen, Svein; Carlsen, Ellen Øen; Linde, Lorentz et al. (2023). Paternal and maternal birthweight and offspring risk of macrosomia at term gestations: A nationwide population study. (ekstern lenke)
- Sima, Yeneabeba Tilahun; Skjaerven, Rolv; Kvalvik, Liv Grimstvedt et al. (2023). Birth Weight in Consecutive Pregnancies and Maternal Cardiovascular Disease Mortality Among Spontaneous and Iatrogenic Term Births: A Population-Based Cohort Study. (ekstern lenke)
- Mæland, Karolina Sofia; Morken, Nils-Halvdan; Schytt, Erica et al. (2023). Risk of Subsequent Preeclampsia by Maternal Country of Birth: A Norwegian Population-Based Study. (ekstern lenke)
- Morken, Nils-Halvdan (2023). Wrapping up eight years of editing in a healthy medical journal. (ekstern lenke)
- Sande, Anne Kvie; Dalen, Ingvild; Torkildsen, Erik Andreas et al. (2023). Pregestational maternal risk factors for preterm and term preeclampsia: A population-based cohort study. (ekstern lenke)
- Basnet, Prativa; Skjaerven, Rolv; Harmon, Quaker E. et al. (2023). Risk of adverse pregnancy outcomes in twin- and singleton-born women: An inter-generational cohort study. (ekstern lenke)
- Seid, Abdu Kedir; Morken, Nils-Halvdan; Klungsøyr, Kari et al. (2023). Pregnancy complications in last pregnancy and mothers’ long-term cardiovascular mortality: does the relation differ from that of complications in first pregnancy? A population-based study. (ekstern lenke)
- Einum, Anders; Sørbye, Linn Marie; Nilsen, Roy Miodini et al. (2023). Unveiling sex bias and adverse neonatal outcomes in ultrasound estimation of gestational age: A population-based cohort study. (ekstern lenke)
2022
- Mæland, Karolina Sofia; Morken, Nils-Halvdan; Schytt, Erica et al. (2022). Rsik of Recurrent Preeclampsia by Maternal Region of Birth: A Nationwide Population-based Study. (ekstern lenke)
- Sima, Yeneabeba; Skjaerven, Rolv; Kvalvik, Liv Grimstvedt et al. (2022). Cesarean delivery in Norwegian nulliparous women with singleton cephalic term births, 1967–2020: a population-based study. (ekstern lenke)
- Haavaldsen, Camilla; Morken, Nils-Halvdan; Saugstad, Ola Didrik et al. (2022). Is the increasing prevalence of labor induction accompanied by changes in pregnancy outcomes? An observational study of all singleton births at gestational weeks 37–42 in Norway during 1999–2019. (ekstern lenke)
- Sande, Anne Kvie; Torkildsen, Erik Andreas; Sande, Ragnar et al. (2022). Use of antihistamines before or during pregnancy and risk of early-onset pre-eclampsia in allergic women: a population-based cohort study. (ekstern lenke)
- Sagstad, Mari Haaland; Morken, Nils-Halvdan; Lund, Agnethe et al. (2022). Quantitative User Data From a Chatbot Developed for Women With Gestational Diabetes Mellitus: Observational Study. (ekstern lenke)
- Engen, Tone; Owe, Katrine Mari; Horn, Julie et al. (2022). Preconception leisure-time physical activity and family history of stroke and myocardial infarction associate with preterm delivery: findings from a Norwegian cohort. (ekstern lenke)
- Basnet, Prativa; Skjaerven, Rolv; Sørbye, Linn Marie et al. (2022). Long-term cardiovascular mortality in women with twin pregnancies by lifetime reproductive history. (ekstern lenke)
2021
- Magnus, Maria Christine; Morken, Nils-Halvdan; Wensaas, Knut-Arne et al. (2021). Risk of miscarriage in women with chronic diseases in Norway: A registry linkage study. (ekstern lenke)
- Haavaldsen, Camilla; Morken, Nils-Halvdan; Eskild, Anne (2021). Antall induksjoner øker – har det noen betydning for utfallet?. (ekstern lenke)
- Haavaldsen, Camilla; Morken, Nils-Halvdan; Eskild, Anne (2021). Increasing prevalence of labour induction; has it had any impact on the prevalence of adverse pregnancy outcomes? A populations study in Norway 1999-2019.. (ekstern lenke)
- Mæland, Karolina Sofia; Morken, Nils-Halvdan; Erica, Schytt et al. (2021). Abruptio placentae hos innvandrerkvinner – en populasjonsstudie med data fra Medisinsk fødselsregister. (ekstern lenke)
- Magnus, Maria Christine; Havdahl, Alexandra; Morken, Nils-Halvdan et al. (2021). Risk of miscarriage in women with psychiatric disorders. (ekstern lenke)
- Mæland, Karolina Sofia; Morken, Nils-Halvdan; Aasheim, Vigdis et al. (2021). Complications during pregnancy and childbirth in immigrant women giving birth in Norway. (ekstern lenke)
- Mæland, Karolina Sofia; Morken, Nils-Halvdan; Schytt, Erica et al. (2021). Placental Abruption by Maternal Country of Birth: a nationwide population-based study. (ekstern lenke)
- Mæland, Karolina S.; Morken, Nils-Halvdan; Schytt, Erica et al. (2021). Obstetric outcomes in immigrant women in Norway. (ekstern lenke)
- Mæland, Karolina Sofia; Morken, Nils-Halvdan; Schytt, Erica et al. (2021). Pregnancy Outcomes in Immigrant Women in Norway. (ekstern lenke)
2020
- Sørbye, Linn Marie; Cnattingius, Sven; Skjærven, Rolv et al. (2020). Interpregnancy weight change and recurrence of gestational diabetes mellitus: a population-based cohort study. (ekstern lenke)
- Mæland, Karolina Sofia; Morken, Nils-Halvdan; Schytt, Erica et al. (2020). Placental abruption in immigrant women in Norway: a population-based study. (ekstern lenke)
- Eide, Kristiane Tislevoll; Morken, Nils-Halvdan; Bærøe, Kristine (2020). Tensions and interplay: A qualitative study of access to patient-centered birth counseling of maternal cesarean requests in Norway.. (ekstern lenke)
- Malmström, Ola; Håberg, Siri Eldevik; Morken, Nils-Halvdan (2020). Probability and outcomes of second pregnancy after HELLP syndrome in the first: A population-based registry study. (ekstern lenke)
2019
- Pirnat, Aleksandra; deRoo, Lisa; Skjaerven, Rolv et al. (2019). Lipid levels after childbirth and association with number of children: A population-based cohort study. (ekstern lenke)
- Sørbye, Linn Marie; Morken, Nils-Halvdan; Klungsøyr, Kari (2019). Maternal weight, weight change and perinatal outcomes: Can physical activity and gestational weight gain modify the risk?. (ekstern lenke)
- Magnus, Maria Christine; Wilcox, Allen James; Morken, Nils-Halvdan et al. (2019). Role of maternal age and pregnancy history in risk of miscarriage: prospective register based study. (ekstern lenke)
- Danielsson, Kim Christian; Gilhus, Nils Erik; Borthen, Ingrid et al. (2019). Maternal complications in pregnancy and childbirth for women with epilepsy: time trends in a nationwide cohort. (ekstern lenke)
- Pirnat, Aleksandra; deRoo, Lisa; Skjaerven, Rolv et al. (2019). Risk of having one lifetime pregnancy and modification by outcome of pregnancy and perinatal loss. (ekstern lenke)
- Eide, Kristiane Tislevoll; Morken, Nils-Halvdan; Bærøe, Kristine (2019). Maternal reasons for requesting planned cesarean section in Norway: A qualitative study. (ekstern lenke)
- Morken, Nils-Halvdan (2019). Victims and addicts of biostatistics. (ekstern lenke)
2018
- Velle-Forbord, Veronica; Skråstad, Ragnhild Bergene; Salvesen, Øyvind et al. (2018). Breastfeeding and long-term metabolic health: consequence or reverse causality?. (ekstern lenke)
- Velle-Forbord, Veronica; Skråstad, Ragnhild Bergene; Salvesen, Øyvind et al. (2018). Breastfeeding and long‐term maternal metabolic health in the HUNT Study: a longitudinal population‐based cohort study. (ekstern lenke)
- Danielsson, Kim Christian; Borthen, Ingrid; Morken, Nils-Halvdan et al. (2018). Hypertensive pregnancy complications in women with epilepsy and antiepileptic drugs; a population-based cohort study of first pregnancies in Norway. (ekstern lenke)
- Smith, Lucy K; Morisaki, Naho; Morken, Nils-Halvdan et al. (2018). An international comparison of death classification at 22 to 25 weeks' gestational age. (ekstern lenke)
- Engjom, Hilde Marie; Morken, Nils-Halvdan; Høydahl, Even et al. (2018). Risk of eclampsia or HELLP-syndrome by institution availability and place of delivery - A population-based cohort study. (ekstern lenke)
- Morken, Nils-Halvdan; Halland, Frode; deRoo, Lisa et al. (2018). Offspring birthweight by gestational age and parental cardiovascular mortality: a population-based cohort study. (ekstern lenke)
- Khatibi, Ali; Andersen, Anne-Marie Nybo; Gissler, Mika et al. (2018). Obstetric and neonatal outcome in women aged 50 years and up: A collaborative, Nordic population-based study. (ekstern lenke)
- Kesmodel, Ulrik Schiøler; Morken, Nils-Halvdan (2018). Methodological challenges in studies in obstetrics and gynecology. (ekstern lenke)
- Engjom, Hilde Marie; Morken, Nils-Halvdan; Klungsøyr, Kari (2018). Risiko for peripartum perinatal død ved fødsler i fødestue. (ekstern lenke)
- Engjom, Hilde Marie; Norheim, Ole Frithjof; Lindtjorn, Bernt et al. (2018). Obstetric care in Norway - the role of institution availability and place of delivery for maternal and perinatal outcomes. Population-based retrospective cohort studies. (ekstern lenke)
- Danielsson, Kim Christian; Borthen, Ingrid; Gilhus, Nils Erik et al. (2018). The effect of parity on risk of complications in pregnant women with epilepsy: a population-based cohort study. (ekstern lenke)
- Malmström, Ola; Morken, Nils-Halvdan (2018). HELLP syndrome, risk factors in first and second pregnancy: a population-based cohort study. (ekstern lenke)
- Sande, Anne Kvie; Torkildsen, Erik Andreas; Sande, Ragnar et al. (2018). Maternal allergy as an isolated risk factor for early-onset preeclampsia: An epidemiological study. (ekstern lenke)
- Pirnat, Aleksandra; deRoo, Lisa; Skjaerven, Rolv et al. (2018). Women's prepregnancy lipid levels and number of children: a Norwegian prospective population-based cohort study. (ekstern lenke)
2017
- Engjom, Hilde Marie; Morken, Nils-Halvdan; Høydahl, Even et al. (2017). Increased risk of peripartum perinatal mortality in unplanned births outside an institution: a retrospective population-based study. (ekstern lenke)
- Engjom, Hilde Marie; Morken, Nils-Halvdan; Klungsøyr, Kari (2017). Reply. (ekstern lenke)
- Magnus, Maria Christine; Ghaderi, Sara; Morken, Nils-Halvdan et al. (2017). Vanishing twin syndrome among ART singletons and pregnancy outcomes. (ekstern lenke)
- Sørbye, Linn Marie; Skjaerven, Rolv; Klungsøyr, Kari et al. (2017). Gestational diabetes mellitus and interpregnancy weight change: A population-based cohort study. (ekstern lenke)
2016
- Halland, Frode; Morken, Nils-Halvdan; deRoo, Lisa et al. (2016). Long-term mortality in mothers with perinatal losses and risk modification by surviving children and attained education: A population-based cohort study. (ekstern lenke)
- Richards, Jennifer L.; Kramer, Michael S.; Deb-Rinker, Paromita et al. (2016). Temporal trends in late preterm and early term birthrates in 6 high-income countries in North America and Europe and association with clinician-initiated obstetric interventions. (ekstern lenke)
- Kvalvik, Liv Grimstvedt; Haug, Kjell; Klungsøyr, Kari et al. (2016). Maternal smoking status in successive pregnancies and risk of having a small for gestational age infant. (ekstern lenke)
- Morken, Nils-Halvdan; Jacobsson, Bo (2016). Vaginal progesteronbehandling i graviditet forebygger ikke for tidlig fødsel. (ekstern lenke)
- Morken, Nils-Halvdan; Skjaerven, Rolv; Richards, Jennifer L. et al. (2016). Adverse infant outcomes associated with discordant gestational age estimates. (ekstern lenke)
2015
- Halland, Frode; Morken, Nils-Halvdan; deRoo, Lisa et al. (2015). Association of Women's Reproductive History with Long-term Mortality and Effect of Socioeconomic Factors. (ekstern lenke)
- Morken, Nils-Halvdan; Skjaerven, Rolv; Wilcox, Allen J. (2015). Ultrasound prediction of perinatal outcome: the unrecognised value of sibling data. (ekstern lenke)
- Sørbye, Linn Marie; Klungsøyr, Kari; Samdal, Oddrun et al. (2015). Pre-pregnant body mass index and recreational physical activity: effects on perinatal mortality in a prospective pregnancy cohort. (ekstern lenke)
- deRoo, Lisa; Skjaerven, Rolv; Wilcox, Allen et al. (2015). Placental abruption and long-term maternal cardiovascular disease mortality: a population-based registry study in Norway and Sweden. (ekstern lenke)
- Morken, Nils-Halvdan; Diaz-Garcia, César; Reisæter, Anna Varberg et al. (2015). Obstetric and neonatal outcome of pregnancies fathered by males on immunosuppression after solid organ transplantation. (ekstern lenke)
- Verner, Marc-André; Loccisano, Anne E.; Morken, Nils-Halvdan et al. (2015). Assfociations of perfluoroalkyl substances (PFAS) with lower birth weight: An evaluation of potential confounding by glomerular filtration rate using a physiologically based pharmacokinetic model (PBPK). (ekstern lenke)
2014
- Morken, Nils-Halvdan; Travlos, Gregory S.; Wilson, Ralph E. et al. (2014). Maternal glomerular filtration rate in pregnancy and fetal size. (ekstern lenke)
- Morken, Nils-Halvdan; Klungsøyr, Kari; Skjaerven, Rolv (2014). Perinatal mortality by gestational week and size at birth in singleton pregnancies at and beyond term: A nationwide population-based cohort study. (ekstern lenke)
- Engjom, Hilde Marie; Morken, Nils-Halvdan; Norheim, Ole Frithjof et al. (2014). Availability and access in modern obstetric care: a retrospective population-based study. (ekstern lenke)
- Morken, Nils-Halvdan; Källén, Karin; Jacobsson, Bo (2014). Predicting risk of spontaneous preterm delivery in women with a singleton pregnancy. (ekstern lenke)
2013
- Myking, Solveig; Boyd, Heather A; Myhre, Ronny et al. (2013). X-chromosomal maternal and fetal SNPs and the risk of spontaneous preterm delivery in a Danish/Norwegian genome-wide association study. (ekstern lenke)
- Pennell, Craig E.; Vadillo-Ortega, Felipe; Olson, David M. et al. (2013). Preterm Birth Genome Project (PGP) - Validation of resources for preterm birth genome-wide studies. (ekstern lenke)
- Morken, Nils-Halvdan; Melve, Kari Klungsøyr; Magnus, Per et al. (2013). Pre-pregnant body mass index, gestational weight gain and the risk of operative delivery. (ekstern lenke)
2012
- Morken, Nils-Halvdan (2012). Preterm birth: new data on a global health priority. (ekstern lenke)
- Melve, Kari Klungsøyr; Morken, Nils-Halvdan; Irgens, Lorentz M. et al. (2012). Secular trends in the epidemiology of pre-eclampsia throughout 40 years in Norway: prevalence, risk factors and perinatal survival. (ekstern lenke)
- Morken, Nils-Halvdan; Melve, Kari Klungsøyr; Skjaerven, Rolv (2012). Recurrence of Prolonged and Postterm Gestational Age Across Generations: Maternal and Paternal Contribution EDITORIAL COMMENT. (ekstern lenke)
- Alleman, Brandon W; Myking, Solveig; Ryckman, Kelli K et al. (2012). No observed association for mitochondrial SNPs with preterm delivery and related outcomes. (ekstern lenke)
- Khatibi, Ali; Brantsæter, Anne Lise; Sengpiel, Verena et al. (2012). Prepregnancy maternal body mass index and preterm delivery. (ekstern lenke)
2011
- Morken, Nils-Halvdan; Gunnes, Nina; Magnus, Per et al. (2011). Risk of spontaneous preterm delivery in a low-risk population: the impact of maternal febrile episodes, urinary tract infection, pneumonia and ear-nose-throat infections. (ekstern lenke)
- Morken, Nils-Halvdan; Melve, Kari Klungsøyr; Skjaerven, Rolv (2011). Recurrence of prolonged and post-term gestational age across generations: maternal and paternal contribution. (ekstern lenke)
- Myking, Solveig; Myhre, Ronny; Gjessing, Håkon et al. (2011). Candidate gene analysis of spontaneous preterm delivery: New insights from re-analysis of a case-control study using case-parent triads and control-mother dyads. (ekstern lenke)
- Morken, Nils-halvdan (2011). Preterm delivery in IVF versus ICSI singleton pregnancies: a national population-based cohort. (ekstern lenke)
2010
- Morken, Nils-halvdan (2010). Time to focus on the public health aspects of preterm delivery. (ekstern lenke)
- Ryckman, Kelli K; Morken, Nils-Halvdan; White, Marquitta J et al. (2010). Maternal and fetal genetic associations of PTGER3 and PON1 with preterm birth. (ekstern lenke)
- Morken, Nils-halvdan; Albrechtsen, Susanne; Backe, Bjørn (2010). Caesarean section does not prevent cerebral palsy in singleton term breech infants. (ekstern lenke)
2008
- Morken, Nils-Halvdan; Vogel, Ida; Kallen, Karin et al. (2008). Reference population for international comparisons and time trend surveillance of preterm delivery proportions in three countries. (ekstern lenke)
- Morken, Nils-Halvdan; Magnus, Per; Jacobsson, Bo (2008). Subgroups of preterm delivery in the Norwegian Mother and Child Cohort Study. (ekstern lenke)