Publications 2024

Natvik M, Gjelsvik B, Vangen S, Skjeie H, Brekke M (2024)
Women's information needs about menopause: a cross-sectional survey in Norwegian general practice
BJGP Open (in press)
DOI 10.3399/BJGPO.2023.0127, PubMed 37669803

Varpula R, Äyräs O, Aabakke AJM, Klungsøyr K, Svanvik T, Kanerva J, Jonasdottir E, Mentzoni CT, Thurn L, Jones E, Fredriksson L, Pettersson K, Nyfløt LT, Vangen S, Røe K, Júlíusson PB, Källén K, Gissler M, Pyykönen A, Jakobsson M, Krebs L, Engjom HM (2024)
Early suppression policies protected pregnant women from COVID-19 in 2020: A population-based surveillance from the Nordic countries
Acta Obstet Gynecol Scand (in press)
DOI 10.1111/aogs.14808, PubMed 38382894

Publications 2023

Al-Zirqi I, Vangen S (2023)
Pregnancies in Women with a Previous Complete Uterine Rupture
Obstet Gynecol Int, 2023, 9056489
DOI 10.1155/2023/9056489, PubMed 36819713

Pettersen S, Falk RS, Vangen S, Nyfløt LT (2023)
Exploring trends of severe postpartum haemorrhage: a hospital-based study
BMC Pregnancy Childbirth, 23 (1), 363
DOI 10.1186/s12884-023-05702-6, PubMed 37208647

Voldner N, Eick F, Vangen S (2023)
'Goodbye and good luck' Midwifery care to pregnant undocumented migrants in Norway: A qualitative study
Sex Reprod Healthc, 37, 100878
DOI 10.1016/j.srhc.2023.100878, PubMed 37369145

Publications 2022

Eberhard-Gran M, Engelsen LY, Al-Zirqi I, Vangen S (2022)
Depressive symptoms and experiences of birthing mothers during COVID-19 pandemic
Tidsskr Nor Laegeforen, 142 (3)
DOI 10.4045/tidsskr.21.0450, PubMed 35170925

Ottesen HS, Sørbye IK, Lindskog BV, Vangen S, Sundby J, Owe KM (2022)
Caesarean sections among immigrant women with different levels of education
Tidsskr Nor Laegeforen, 142 (17)
DOI 10.4045/tidsskr.22.0256, PubMed 36416648

Pettersen S, Falk RS, Vangen S, Nyfløt LT (2022)
Peripartum hysterectomy due to severe postpartum hemorrhage: A hospital-based study
Acta Obstet Gynecol Scand, 101 (7), 819-826
DOI 10.1111/aogs.14358, PubMed 35388907

Taraldsen S, Vangen S, Øian P, Sørbye IK (2022)
Risk of obstetric anal sphincter injury associated with female genital mutilation/cutting and timing of deinfibulation
Acta Obstet Gynecol Scand, 101 (10), 1163-1173
DOI 10.1111/aogs.14424, PubMed 35946127

Publications 2021

Bains S, Skråning S, Sundby J, Vangen S, Sørbye IK, Lindskog BV (2021)
Challenges and barriers to optimal maternity care for recently migrated women - a mixed-method study in Norway
BMC Pregnancy Childbirth, 21 (1), 686
DOI 10.1186/s12884-021-04131-7, PubMed 34620114

Bains S, Sundby J, Lindskog BV, Vangen S, Diep LM, Owe KM, Sorbye IK (2021)
Satisfaction with maternity care among recent migrants: an interview questionnaire-based study
BMJ Open, 11 (7), e048077
DOI 10.1136/bmjopen-2020-048077, PubMed 34272220

Bains S, Sundby J, Lindskog BV, Vangen S, Sørbye IK (2021)
Newly Arrived Migrant Women's Experience of Maternity Health Information: A Face-to-Face Questionnaire Study in Norway
Int J Environ Res Public Health, 18 (14)
DOI 10.3390/ijerph18147523, PubMed 34299974

Engjom H, Aabakke AJM, Klungsøyr K, Svanvik T, Äyräs O, Jonasdottir E, Thurn L, Jones E, Pettersson K, Nyfløt LT, Al-Zirqi I, Vangen S, Júlíusson PB, Källén K, Gissler M, Krebs L (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 Obstet Gynecol Scand, 100 (9), 1611-1619
DOI 10.1111/aogs.14160, PubMed 33885150

Jatta F, Sundby J, Vangen S, Lindskog BV, Sørbye IK, Owe KM (2021)
Association between Maternal Origin, Pre-Pregnancy Body Mass Index and Caesarean Section: A Nation-Wide Registry Study
Int J Environ Res Public Health, 18 (11)
DOI 10.3390/ijerph18115938, PubMed 34205921

Nyfløt LT, Johansen M, Mulic-Lutvica A, Gissler M, Bødker B, Bremme K, Ellingsen L, Vangen S (2021)
The impact of cardiovascular diseases on maternal deaths in the Nordic countries
Acta Obstet Gynecol Scand, 100 (7), 1273-1279
DOI 10.1111/aogs.14104, PubMed 33524162

Støer NC, Botteri E, Busund M, Ghiasvand R, Vangen S, Lund E, Weiderpass E, Veierød MB (2021)
Menopausal hormone therapy and risk of melanoma: a population-based cohort study
Br J Dermatol, 185 (6), 1266-1267
DOI 10.1111/bjd.20640, PubMed 34254299

Sørbye IK, Bains S, Vangen S, Sundby J, Lindskog B, Owe KM (2021)
Obstetric anal sphincter injury by maternal origin and length of residence: a nationwide cohort study
BJOG, 129 (3), 423-431
DOI 10.1111/1471-0528.16985, PubMed 34710268

Taraldsen S, Owe KM, Bødtker AS, Bjørntvedt IW, Eide BM, Sandberg M, Hagemann CT, Øian P, Vangen S, Sørbye IK (2021)
Female genital cutting in women living in Norway - consequences and treatment
Tidsskr Nor Laegeforen, 141 (2021-15)
DOI 10.4045/tidsskr.21.0509, PubMed 34726038

Taraldsen S, Vangen S, Øian P, Sørbye IK (2021)
Female genital mutilation/cutting, timing of deinfibulation, and risk of cesarean section
Acta Obstet Gynecol Scand, 100 (4), 587-595
DOI 10.1111/aogs.14111, PubMed 33719034

Publications 2020

Al-Zirqi I, Vangen S (2020)
Prelabour uterine rupture: characteristics and outcomes
BJOG, 127 (13), 1637-1644
DOI 10.1111/1471-0528.16363, PubMed 32534459

Waldum ÅH, Jacobsen AF, Lukasse M, Staff AC, Falk RS, Vangen S, Sørbye IK (2020)
The provision of epidural analgesia during labor according to maternal birthplace: a Norwegian register study
BMC Pregnancy Childbirth, 20 (1), 321
DOI 10.1186/s12884-020-03021-8, PubMed 32456615

Publications 2019

Al-Zirqi I, Daltveit AK, Vangen S (2019)
Maternal outcome after complete uterine rupture
Acta Obstet Gynecol Scand, 98 (8), 1024-1031
DOI 10.1111/aogs.13579, PubMed 30762871

Collins SL, Alemdar B, van Beekhuizen HJ, Bertholdt C, Braun T, Calda P, Delorme P, Duvekot JJ, Gronbeck L, Kayem G, Langhoff-Roos J, Marcellin L, Martinelli P, Morel O, Mhallem M, Morlando M, Noergaard LN, Nonnenmacher A, Pateisky P, Petit P, Rijken MJ, Ropacka-Lesiak M, Schlembach D, Sentilhes L, Stefanovic V et al. (2019)
Evidence-based guidelines for the management of abnormally invasive placenta: recommendations from the International Society for Abnormally Invasive Placenta
Am J Obstet Gynecol, 220 (6), 511-526
DOI 10.1016/j.ajog.2019.02.054, PubMed 30849356

Mgongo M, Hussein TH, Stray-Pedersen B, Vangen S, Msuya SE, Wandel M (2019)
Facilitators and Barriers to Breastfeeding and Exclusive Breastfeeding in Kilimanjaro Region, Tanzania: A Qualitative Study
Int J Pediatr, 2019, 8651010
DOI 10.1155/2019/8651010, PubMed 30853994

Støer NC, Botteri E, Ghiasvand R, Busund M, Vangen S, Lund E, Veierød MB, Weiderpass E (2019)
Reproductive factors and risk of melanoma: a population-based cohort study
Br J Dermatol, 181 (2), 282-289
DOI 10.1111/bjd.17771, PubMed 30748007

Sørbye IK, Vangen S, Juarez SP, Bolumar F, Morisaki N, Gissler M, Andersen AN, Racape J, Small R, Wood R, Urquia ML (2019)
Birthweight of babies born to migrant mothers - What role do integration policies play?
SSM Popul Health, 9, 100503
DOI 10.1016/j.ssmph.2019.100503, PubMed 31993489

Publications 2018

Al-Zirqi I, Daltveit AK, Vangen S (2018)
Infant outcome after complete uterine rupture
Am J Obstet Gynecol, 219 (1), 109.e1-109.e8
DOI 10.1016/j.ajog.2018.04.010, PubMed 29655964

Al-Zirqi I, Daltveit AK, Vangen S (2018)
Infant Outcome After Complete Uterine Rupture
Obstet. Gynecol. Surv., 73 (12), 665-667
DOI 10.1097/01.ogx.0000549658.97230.15

Mgongo M, Hussein TH, Stray-Pedersen B, Vangen S, Msuya SE, Wandel M (2018)
"We give water or porridge, but we don't really know what the child wants:" a qualitative study on women's perceptions and practises regarding exclusive breastfeeding in Kilimanjaro region, Tanzania
BMC Pregnancy Childbirth, 18 (1), 323
DOI 10.1186/s12884-018-1962-3, PubMed 30089449

Nyfløt LT, Ellingsen L, Yli BM, Øian P, Vangen S (2018)
Maternal deaths from hypertensive disorders: lessons learnt
Acta Obstet Gynecol Scand, 97 (8), 976-987
DOI 10.1111/aogs.13357, PubMed 29663318

Vangen S, Bodker B, Ellingsen L, Saltvedt S, Gissler M, Geirsson RT, Nyflot LT (2018)
Maternal Deaths in the Nordic Countries
Obstet. Gynecol. Surv., 73 (2), 79-80
DOI 10.1097/01.ogx.0000530380.17032.73

Publications 2017

Berg RC, Taraldsen S, Said MA, Sørbye IK, Vangen S (2017)
Reasons for and Experiences With Surgical Interventions for Female Genital Mutilation/Cutting (FGM/C): A Systematic Review
J Sex Med, 14 (8), 977-990
DOI 10.1016/j.jsxm.2017.05.016, PubMed 28666656

Berg RC, Taraldsen S, Said MA, Sørbye IK, Vangen S (2017)
The effectiveness of surgical interventions for women with FGM/C: a systematic review
BJOG, 125 (3), 278-287
DOI 10.1111/1471-0528.14839, PubMed 28755440

Bjelland EK, Owe KM, Nordeng HME, Engdahl BL, Kristiansson P, Vangen S, Eberhard-Gran M (2017)
Does progestin-only contraceptive use after pregnancy affect recovery from pelvic girdle pain? A prospective population study
PLoS One, 12 (9), e0184071
DOI 10.1371/journal.pone.0184071, PubMed 28892506

Botteri E, Støer NC, Sakshaug S, Graff-Iversen S, Vangen S, Hofvind S, de Lange T, Bagnardi V, Ursin G, Weiderpass E (2017)
Menopausal hormone therapy and colorectal cancer: a linkage between nationwide registries in Norway
BMJ Open, 7 (11), e017639
DOI 10.1136/bmjopen-2017-017639, PubMed 29146641

Botteri E, Støer NC, Sakshaug S, Graff-Iversen S, Vangen S, Hofvind S, Ursin G, Weiderpass E (2017)
Menopausal hormone therapy and risk of melanoma: Do estrogens and progestins have a different role?
Int J Cancer, 141 (9), 1763-1770
DOI 10.1002/ijc.30878, PubMed 28685818

Majak GB, Reisæter AV, Zucknick M, Lorentzen B, Vangen S, Henriksen T, Michelsen TM (2017)
Preeclampsia in kidney transplanted women; Outcomes and a simple prognostic risk score system
PLoS One, 12 (3), e0173420
DOI 10.1371/journal.pone.0173420, PubMed 28319175

Mgongo M, Chotta NAS, Hashim TH, Uriyo JG, Damian DJ, Stray-Pedersen B, Msuya SE, Wandel M, Vangen S (2017)
Underweight, Stunting and Wasting among Children in Kilimanjaro Region, Tanzania; a Population-Based Cross-Sectional Study
Int J Environ Res Public Health, 14 (5)
DOI 10.3390/ijerph14050509, PubMed 28489043

Nyfløt LT, Sandven I, Stray-Pedersen B, Pettersen S, Al-Zirqi I, Rosenberg M, Jacobsen AF, Vangen S (2017)
Risk factors for severe postpartum hemorrhage: a case-control study
BMC Pregnancy Childbirth, 17 (1), 17
DOI 10.1186/s12884-016-1217-0, PubMed 28068990

Nyfløt LT, Stray-Pedersen B, Forsén L, Vangen S (2017)
Duration of labor and the risk of severe postpartum hemorrhage: A case-control study
PLoS One, 12 (4), e0175306
DOI 10.1371/journal.pone.0175306, PubMed 28384337

Reigstad MM, Storeng R, Myklebust TÅ, Oldereid NB, Omland AK, Robsahm TE, Brinton LA, Vangen S, Furu K, Larsen IK (2017)
Cancer Risk in Women Treated with Fertility Drugs According to Parity Status-A Registry-based Cohort Study
Cancer Epidemiol Biomarkers Prev, 26 (6), 953-962
DOI 10.1158/1055-9965.EPI-16-0809, PubMed 28108444

Sletner L, Jenum AK, Yajnik CS, Mørkrid K, Nakstad B, Rognerud-Jensen OH, Birkeland KI, Vangen S (2017)
Fetal growth trajectories in pregnancies of European and South Asian mothers with and without gestational diabetes, a population-based cohort study
PLoS One, 12 (3), e0172946
DOI 10.1371/journal.pone.0172946, PubMed 28253366

Sletner L, Kiserud T, Vangen S, Nakstad B, Jenum AK (2017)
Effects of applying universal fetal growth standards in a Scandinavian multi-ethnic population
Acta Obstet Gynecol Scand, 97 (2), 168-179
DOI 10.1111/aogs.13269, PubMed 29192969

Vangen S, Bødker B, Ellingsen L, Saltvedt S, Gissler M, Geirsson RT, Nyfløt LT (2017)
Maternal deaths in the Nordic countries
Acta Obstet Gynecol Scand, 96 (9), 1112-1119
DOI 10.1111/aogs.13172, PubMed 28542709

Publications 2016

Al-Zirqi I, Daltveit AK, Forsén L, Stray-Pedersen B, Vangen S (2016)
Risk factors for complete uterine rupture
Am J Obstet Gynecol, 216 (2), 165.e1-165.e8
DOI 10.1016/j.ajog.2016.10.017, PubMed 27780708

Al-Zirqi I, Stray-Pedersen B, Forsén L, Daltveit AK, Vangen S (2016)
Authors' reply re: Uterine rupture: trends over 40 years
BJOG, 123 (6), 1033
DOI 10.1111/1471-0528.13631, PubMed 27101267

Bjelland EK, Owe KM, Pingel R, Kristiansson P, Vangen S, Eberhard-Gran M (2016)
Pelvic pain after childbirth: a longitudinal population study
Pain, 157 (3), 710-716
DOI 10.1097/j.pain.0000000000000427, PubMed 26588694

Herstad L, Klungsøyr K, Skjærven R, Tanbo T, Forsén L, Åbyholm T, Vangen S (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 Childbirth, 16, 230
DOI 10.1186/s12884-016-1028-3, PubMed 27535233

Majak GB, Sandven I, Lorentzen B, Vangen S, Reisaeter AV, Henriksen T, Michelsen TM (2016)
Pregnancy outcomes following maternal kidney transplantation: a national cohort study
Acta Obstet Gynecol Scand, 95 (10), 1153-61
DOI 10.1111/aogs.12937, PubMed 27288648

Nyfløt LT, Sandven I, Oldereid NB, Stray-Pedersen B, Vangen S (2016)
Assisted reproductive technology and severe postpartum haemorrhage: a case-control study
BJOG, 124 (8), 1198-1205
DOI 10.1111/1471-0528.14471, PubMed 27981745

Owe KM, Nystad W, Stigum H, Vangen S, Bø K (2016)
Exercise during pregnancy and risk of cesarean delivery in nulliparous women: a large population-based cohort study
Am J Obstet Gynecol, 215 (6), 791.e1-791.e13
DOI 10.1016/j.ajog.2016.08.014, PubMed 27555317

Román M, Graff-Iversen S, Weiderpass E, Vangen S, Sakshaug S, Hofvind S, Ursin G (2016)
Postmenopausal Hormone Therapy and Breast Cancer Prognostic Characteristics: A Linkage between Nationwide Registries
Cancer Epidemiol Biomarkers Prev, 25 (11), 1464-1473
DOI 10.1158/1055-9965.EPI-16-0240, PubMed 27461048

Publications 2015

Al-Zirqi I, Stray-Pedersen B, Forsén L, Daltveit AK, Vangen S (2015)
Uterine rupture: trends over 40 years
BJOG, 123 (5), 780-7
DOI 10.1111/1471-0528.13394, PubMed 25846698

Merry L, Vangen S, Small R (2015)
Caesarean births among migrant women in high-income countries
Best Pract Res Clin Obstet Gynaecol, 32, 88-99
DOI 10.1016/j.bpobgyn.2015.09.002, PubMed 26458998

Owe KM, Bjelland EK, Stuge B, Orsini N, Eberhard-Gran M, Vangen S (2015)
Exercise level before pregnancy and engaging in high-impact sports reduce the risk of pelvic girdle pain: a population-based cohort study of 39 184 women
Br J Sports Med, 50 (13), 817-22
DOI 10.1136/bjsports-2015-094921, PubMed 26435533

Reigstad MM, Larsen IK, Myklebust TÅ, Robsahm TE, Oldereid NB, Omland AK, Vangen S, Brinton LA, Storeng R (2015)
Cancer risk among parous women following assisted reproductive technology
Hum Reprod, 30 (8), 1952-63
DOI 10.1093/humrep/dev124, PubMed 26113657

Reigstad MM, Larsen IK, Myklebust TÅ, Robsahm TE, Oldereid NB, Omland AK, Vangen S, Storeng R (2015)
The Nordic Health Registries: an important part of modern medical research
Hum Reprod, 31 (1), 216-7
DOI 10.1093/humrep/dev276, PubMed 26516204

Román M, Sakshaug S, Graff-Iversen S, Vangen S, Weiderpass E, Ursin G, Hofvind S (2015)
Postmenopausal hormone therapy and the risk of breast cancer in Norway
Int J Cancer, 138 (3), 584-93
DOI 10.1002/ijc.29810, PubMed 26289549

Sletner L, Rasmussen S, Jenum AK, Nakstad B, Jensen OH, Vangen S (2015)
Ethnic differences in fetal size and growth in a multi-ethnic population
Early Hum Dev, 91 (9), 547-54
DOI 10.1016/j.earlhumdev.2015.07.002, PubMed 26197025

Størksen HT, Garthus-Niegel S, Adams SS, Vangen S, Eberhard-Gran M (2015)
Fear of childbirth and elective caesarean section: a population-based study
BMC Pregnancy Childbirth, 15, 221
DOI 10.1186/s12884-015-0655-4, PubMed 26382746

Vandraas KF, Grjibovski AM, Støer NC, Troisi R, Stephansson O, Ording AG, Vangen S, Grotmol T, Vikanes ÅV (2015)
Hyperemesis gravidarum and maternal cancer risk, a Scandinavian nested case-control study
Int J Cancer, 137 (5), 1209-16
DOI 10.1002/ijc.29475, PubMed 25665163

Vandraas KF, Vikanes ÅV, Støer NC, Troisi R, Stephansson O, Sørensen HT, Vangen S, Magnus P, Grjibovski AM, Grotmol T (2015)
Hyperemesis gravidarum and risk of cancer in offspring, a Scandinavian registry-based nested case-control study
BMC Cancer, 15, 398
DOI 10.1186/s12885-015-1425-4, PubMed 25963309

Publications 2014

Bjelland EK, Owe KM, Stuge B, Vangen S, Eberhard-Gran M (2014)
Breastfeeding and pelvic girdle pain: a follow-up study of 10,603 women 18 months after delivery
BJOG, 122 (13), 1765-71
DOI 10.1111/1471-0528.13118, PubMed 25327939

Eidem I, Vangen S, Henriksen T, Vollset SE, Hanssen KF, Joner G, Stene LC (2014)
Discrepancy in term calculation from second trimester ultrasound scan versus last menstrual period in women with type 1 diabetes
Acta Obstet Gynecol Scand, 93 (8), 809-16
DOI 10.1111/aogs.12422, PubMed 24807126

Henriksen L, Schei B, Vangen S, Lukasse M (2014)
Sexual violence and mode of delivery: a population-based cohort study
BJOG, 121 (10), 1237-44
DOI 10.1111/1471-0528.12923, PubMed 24939396

Henriksen L, Schei B, Vangen S, Lukasse M (2014)
Sexual violence and neonatal outcomes: a Norwegian population-based cohort study
BMJ Open, 4 (10), e005935
DOI 10.1136/bmjopen-2014-005935, PubMed 25763796

Herstad L, Klungsøyr K, Skjaerven R, Tanbo T, Forsén L, Åbyholm T, Vangen S (2014)
Maternal age and emergency operative deliveries at term: a population-based registry study among low-risk primiparous women
BJOG, 122 (12), 1642-51
DOI 10.1111/1471-0528.12962, PubMed 25100277

Melbye Michelsen T, Vangen S, Henriksen T (2014)
Cesarean sections and fetal death rates
Acta Obstet Gynecol Scand, 93 (3), 312-3
DOI 10.1111/aogs.12310, PubMed 24299198

Mørkrid K, Jenum AK, Berntsen S, Sletner L, Richardsen KR, Vangen S, Holme I, Birkeland KI (2014)
Objectively recorded physical activity and the association with gestational diabetes
Scand J Med Sci Sports, 24 (5), e389-97
DOI 10.1111/sms.12183, PubMed 24894027

Reigstad MM, Larsen IK, Myklebust TÅ, Robsahm TE, Oldereid NB, Omland AK, Vangen S, Brinton LA, Storeng R (2014)
Risk of breast cancer following fertility treatment--a registry based cohort study of parous women in Norway
Int J Cancer, 136 (5), 1140-8
DOI 10.1002/ijc.29069, PubMed 25042052

Sletner L, Jenum AK, Mørkrid K, Vangen S, Holme IM, Birkeland KI, Nakstad B (2014)
Maternal life course socio-economic position and offspring body composition at birth in a multi-ethnic population
Paediatr Perinat Epidemiol, 28 (5), 445-54
DOI 10.1111/ppe.12137, PubMed 25060595

Sørbye IK, Daltveit AK, Sundby J, Stoltenberg C, Vangen S (2014)
Caesarean section by immigrants' length of residence in Norway: a population-based study
Eur J Public Health, 25 (1), 78-84
DOI 10.1093/eurpub/cku135, PubMed 25192708

Sørbye IK, Daltveit AK, Sundby J, Vangen S (2014)
Preterm subtypes by immigrants' length of residence in Norway: a population-based study
BMC Pregnancy Childbirth, 14, 239
DOI 10.1186/1471-2393-14-239, PubMed 25048200

Vangen S, Ellingsen L, Andersgaard AB, Jacobsen AF, Lorentzen B, Nyfløt LT, Rygh AB, Skulstad SM, Tappert C, Øian P (2014)
Maternal deaths in Norway 2005-2009
Tidsskr Nor Laegeforen, 134 (8), 836-9
DOI 10.4045/tidsskr.13.0203, PubMed 24780982

Publications 2013

Al-Zirqi I, Stray-Pedersen B, Forsén L, Daltveit AK, Vangen S, NUR group (2013)
Validation study of uterine rupture registration in the Medical Birth Registry of Norway
Acta Obstet Gynecol Scand, 92 (9), 1086-93
DOI 10.1111/aogs.12148, PubMed 23590688

Bjelland EK, Kristiansson P, Nordeng H, Vangen S, Eberhard-Gran M (2013)
Hormonal contraception and pelvic girdle pain during pregnancy: a population study of 91,721 pregnancies in the Norwegian Mother and Child Cohort
Hum Reprod, 28 (11), 3134-40
DOI 10.1093/humrep/det301, PubMed 23887071

Engeland A, Bjørge T, Daltveit AK, Skurtveit S, Vangen S, Vollset SE, Furu K (2013)
Effects of preconceptional paternal drug exposure on birth outcomes: cohort study of 340 000 pregnancies using Norwegian population-based databases
Br J Clin Pharmacol, 75 (4), 1134-41
DOI 10.1111/j.1365-2125.2012.04426.x, PubMed 22897396

Fretheim A, Odgaard-Jensen J, Røttingen JA, Reinar LM, Vangen S, Tanbo T (2013)
The impact of an intervention programme employing a hands-on technique to reduce the incidence of anal sphincter tears: interrupted time-series reanalysis
BMJ Open, 3 (10), e003355
DOI 10.1136/bmjopen-2013-003355, PubMed 24154515

Henriksen L, Vangen S, Schei B, Lukasse M (2013)
Sexual violence and antenatal hospitalization
Birth, 40 (4), 281-8
DOI 10.1111/birt.12063, PubMed 24344709

Simonsen TB, Wahl AK, Vangen S, Eberhard-Gran M (2013)
[Do previous abortions cause fear of childbirth?]
Tidsskr Nor Laegeforen, 133 (6), 635-9
DOI 10.4045/tidsskr.12.0816, PubMed 23552157

Sletner L, Nakstad B, Yajnik CS, Mørkrid K, Vangen S, Vårdal MH, Holme IM, Birkeland KI, Jenum AK (2013)
Ethnic differences in neonatal body composition in a multi-ethnic population and the impact of parental factors: a population-based cohort study
PLoS One, 8 (8), e73058
DOI 10.1371/journal.pone.0073058, PubMed 24009731

Størksen HT, Garthus-Niegel S, Vangen S, Eberhard-Gran M (2013)
The impact of previous birth experiences on maternal fear of childbirth
Acta Obstet Gynecol Scand, 92 (3), 318-24
DOI 10.1111/aogs.12072, PubMed 23278249

Sørbye IK, Stoltenberg C, Sundby J, Daltveit AK, Vangen S (2013)
Stillbirth and infant death among generations of Pakistani immigrant descent: a population-based study
Acta Obstet Gynecol Scand, 93 (2), 168-74
DOI 10.1111/aogs.12303, PubMed 24382198

Vandraas KF, Vikanes AV, Vangen S, Magnus P, Støer NC, Grjibovski AM (2013)
Hyperemesis gravidarum and birth outcomes-a population-based cohort study of 2.2 million births in the Norwegian Birth Registry
BJOG, 120 (13), 1654-60
DOI 10.1111/1471-0528.12429, PubMed 24021026

Vandraas KF, Vikanes ÅV, Støer NC, Vangen S, Magnus P, Grjibovski AM (2013)
Is hyperemesis gravidarum associated with placental weight and the placental weight-to-birth weight ratio? A population-based Norwegian cohort study
Placenta, 34 (11), 990-4
DOI 10.1016/j.placenta.2013.08.001, PubMed 23993392

Publications 2012

Bjelland EK, Stuge B, Vangen S, Stray-Pedersen B, Eberhard-Gran M (2012)
Mode of delivery and persistence of pelvic girdle syndrome 6 months postpartum
Am J Obstet Gynecol, 208 (4), 298.e1-7
DOI 10.1016/j.ajog.2012.12.002, PubMed 23220506

Eidem I, Vangen S, Hanssen KF, Vollset SE, Henriksen T, Joner G, Stene LC (2012)
Perinatal and Infant Mortality in Term and Preterm Births Among Women With Type 1 Diabetes EDITORIAL COMMENT
Obstet. Gynecol. Surv., 67 (3), 139-141
DOI 10.1097/OGX.0b013e31824b6f5f

Herstad L, Klungsøyr K, Skjærven R, Tanbo T, Eidem I, Forsén L, Åbyholm T, Vangen S (2012)
Maternal age and elective cesarean section in a low-risk population
Acta Obstet Gynecol Scand, 91 (7), 816-23
DOI 10.1111/j.1600-0412.2012.01405.x, PubMed 22435923

Lukasse M, Henriksen L, Vangen S, Schei B (2012)
Sexual violence and pregnancy-related physical symptoms
BMC Pregnancy Childbirth, 12, 83
DOI 10.1186/1471-2393-12-83, PubMed 22883753

Mørkrid K, Jenum AK, Sletner L, Vårdal MH, Waage CW, Nakstad B, Vangen S, Birkeland KI (2012)
Failure to increase insulin secretory capacity during pregnancy-induced insulin resistance is associated with ethnicity and gestational diabetes
Eur J Endocrinol, 167 (4), 579-88
DOI 10.1530/EJE-12-0452, PubMed 22889687

Storeng R, Vangen S, Omland AK, Oldereid NB (2012)
Infertility treatment and the risk of cancer
Tidsskr Nor Laegeforen, 132 (22), 2494-9
DOI 10.4045/tidsskr.12.0376, PubMed 23338030

Vikanes Å, Magnus P, Vangen S, Lomsdal S, Grjibovski AM (2012)
Hyperemesis gravidarum in the Medical Birth Registry of Norway - a validity study
BMC Pregnancy Childbirth, 12, 115
DOI 10.1186/1471-2393-12-115, PubMed 23095718

Publications 2011

Bjerke SE, Vangen S, Holter E, Stray-Pedersen B (2011)
Infectious immune status in an obstetric population of Pakistani immigrants in Norway
Scand J Public Health, 39 (5), 464-70
DOI 10.1177/1403494811399653, PubMed 21339369

Eidem I, Vangen S, Hanssen KF, Vollset SE, Henriksen T, Joner G, Stene LC (2011)
Perinatal and infant mortality in term and preterm births among women with type 1 diabetes
Diabetologia, 54 (11), 2771-8
DOI 10.1007/s00125-011-2281-7, PubMed 21866407

Engeland A, Bjørge T, Daltveit AK, Skurtveit S, Vangen S, Vollset SE, Furu K (2011)
Risk of diabetes after gestational diabetes and preeclampsia. A registry-based study of 230,000 women in Norway
Eur J Epidemiol, 26 (2), 157-63
DOI 10.1007/s10654-010-9527-4, PubMed 21298469

Fretheim A, Tanbo T, Vangen S, Reinar LM, Røttingen JA (2011)
Use of manual techniques for perineal support in Norwegian maternity departments
Tidsskr Nor Laegeforen, 131 (23), 2352-4
DOI 10.4045/tidsskr.11.0643, PubMed 22139117

Jammeh A, Sundby J, Vangen S (2011)
Barriers to emergency obstetric care services in perinatal deaths in rural gambia: a qualitative in-depth interview study
ISRN Obstet Gynecol, 2011, 981096
DOI 10.5402/2011/981096, PubMed 21766039

Jenum AK, Mørkrid K, Sletner L, Vangen S, Torper JL, Nakstad B, Voldner N, Rognerud-Jensen OH, Berntsen S, Mosdøl A, Skrivarhaug T, Vårdal MH, Holme I, Yajnik CS, Birkeland KI (2011)
Impact of ethnicity on gestational diabetes identified with the WHO and the modified International Association of Diabetes and Pregnancy Study Groups criteria: a population-based cohort study
Eur J Endocrinol, 166 (2), 317-24
DOI 10.1530/EJE-11-0866, PubMed 22108914

Magnus MC, Håberg SE, Stigum H, Nafstad P, London SJ, Vangen S, Nystad W (2011)
Delivery by Cesarean section and early childhood respiratory symptoms and disorders: the Norwegian mother and child cohort study
Am J Epidemiol, 174 (11), 1275-85
DOI 10.1093/aje/kwr242, PubMed 22038100

Sjøveian S, Vangen S, Mukwege D, Onsrud M (2011)
Surgical outcome of obstetric fistula: a retrospective analysis of 595 patients
Acta Obstet Gynecol Scand, 90 (7), 753-60
DOI 10.1111/j.1600-0412.2011.01162.x, PubMed 21542810

Sørbye IK, Vangen S, Oneko O, Sundby J, Bergsjø P (2011)
Caesarean section among referred and self-referred birthing women: a cohort study from a tertiary hospital, northeastern Tanzania
BMC Pregnancy Childbirth, 11, 55
DOI 10.1186/1471-2393-11-55, PubMed 21798016

Publications 2010

Al-Zirqi I, Stray-Pedersen B, Forsén L, Vangen S (2010)
Uterine rupture after previous caesarean section
BJOG, 117 (7), 809-20
DOI 10.1111/j.1471-0528.2010.02533.x, PubMed 20236103

Al-Zirqi I, Stray-Pedersen B, Forsen L, Vangen S (2010)
Can vaginal birth after caesarean be justified? Reply
BJOG, 117 (11), 1428
DOI 10.1111/j.1471-0528.2010.02684.x

Al-Zirqi I, Stray-Pedersen B, Forsen L, Vangen S (2010)
Changing trends: uterine rupture in the UK Reply
BJOG, 117 (11), 1429-1430
DOI 10.1111/j.1471-0528.2010.02685.x

Bergsjø P, Vangen S, Lie RT, Lyatuu R, Lie-Nielsen E, Oneko O (2010)
Recording of maternal deaths in an East African university hospital
Acta Obstet Gynecol Scand, 89 (6), 789-93
DOI 10.3109/00016341003801664, PubMed 20397762

Bjerke SE, Holter E, Vangen S, Stray-Pedersen B (2010)
Sexually transmitted infections among Pakistani pregnant women and their husbands in Norway
Int J Womens Health, 2, 303-9
DOI 10.2147/IJWH.S13018, PubMed 21151677

Eidem I, Stene LC, Henriksen T, Hanssen KF, Vangen S, Vollset SE, Joner G (2010)
Congenital anomalies in newborns of women with type 1 diabetes: nationwide population-based study in Norway, 1999-2004
Acta Obstet Gynecol Scand, 89 (11), 1403-11
DOI 10.3109/00016349.2010.518594, PubMed 20929418

Jammeh A, Vangen S, Sundby J (2010)
Stillbirths in rural hospitals in the gambia: a cross-sectional retrospective study
Obstet Gynecol Int, 2010, 186867
DOI 10.1155/2010/186867, PubMed 20671966

Jenum AK, Sletner L, Voldner N, Vangen S, Mørkrid K, Andersen LF, Nakstad B, Skrivarhaug T, Rognerud-Jensen OH, Roald B, Birkeland KI (2010)
The STORK Groruddalen research programme: A population-based cohort study of gestational diabetes, physical activity, and obesity in pregnancy in a multiethnic population. Rationale, methods, study population, and participation rates
Scand J Public Health, 38 (5 Suppl), 60-70
DOI 10.1177/1403494810378921, PubMed 21062840

Lukasse M, Vangen S, Øian P, Kumle M, Ryding EL, Schei B, Bidens Study Group (2010)
Childhood abuse and fear of childbirth--a population-based study
Birth, 37 (4), 267-74
DOI 10.1111/j.1523-536X.2010.00420.x, PubMed 21083717

Lukasse M, Vangen S, Øian P, Schei B (2010)
Childhood abuse and caesarean section among primiparous women in the Norwegian Mother and Child Cohort Study
BJOG, 117 (9), 1153-7
DOI 10.1111/j.1471-0528.2010.02627.x, PubMed 20528868

Lukasse M, Vangen S, Øian P, Schei B (2010)
Fear of childbirth, women's preference for cesarean section and childhood abuse: a longitudinal study
Acta Obstet Gynecol Scand, 90 (1), 33-40
DOI 10.1111/j.1600-0412.2010.01024.x, PubMed 21275913

Vikanes A, Grjibovski AM, Vangen S, Gunnes N, Samuelsen SO, Magnus P (2010)
Maternal body composition, smoking, and hyperemesis gravidarum
Ann Epidemiol, 20 (8), 592-8
DOI 10.1016/j.annepidem.2010.05.009, PubMed 20609338

Vikanes A, Skjaerven R, Grjibovski AM, Gunnes N, Vangen S, Magnus P (2010)
Recurrence of hyperemesis gravidarum across generations: population based cohort study
BMJ, 340, c2050
DOI 10.1136/bmj.c2050, PubMed 21030362

Vikanes A, Skjaerven R, Grjibovski AM, Gunnes N, Vangen S, Magnus P (2010)
Recurrence of Hyperemesis Gravidarum Across Generations: Population-Based Cohort Study EDITORIAL COMMENT
Obstet. Gynecol. Surv., 65 (9), 549-550
DOI 10.1097/OGX.0b013e3182021d24

Publications 2009

Al-Zirqi I, Vangen S, Forsén L, Stray-Pedersen B (2009)
Effects of onset of labor and mode of delivery on severe postpartum hemorrhage
Am J Obstet Gynecol, 201 (3), 273.e1-9
DOI 10.1016/j.ajog.2009.06.007, PubMed 19733277

Cham M, Sundby J, Vangen S (2009)
Fetal outcome in severe maternal morbidity: too many stillbirths
Acta Obstet Gynecol Scand, 88 (3), 343-9
DOI 10.1080/00016340902730318, PubMed 19172420

Cham M, Sundby J, Vangen S (2009)
Availability and quality of emergency obstetric care in Gambia's main referral hospital: women-users' testimonies
Reprod Health, 6, 5
DOI 10.1186/1742-4755-6-5, PubMed 19366451

Eriksen HM, Saether AR, Løwer HL, Vangen S, Hjetland R, Lundmark H, Aavitsland P (2009)
[Infections after Caesarean sections]
Tidsskr Nor Laegeforen, 129 (7), 618-22
DOI 10.4045/tidsskr.09.24093, PubMed 19337329

Eskild A, Vatten LJ, Nesheim BI, Vangen S (2009)
The estimated risk of miscarriage should be corrected for induced abortion rates
Acta Obstet Gynecol Scand, 88 (5), 569-74
DOI 10.1080/00016340902814567, PubMed 19253060

Gagnon AJ, Zimbeck M, Zeitlin J, ROAM Collaboration, Alexander S, Blondel B, Buitendijk S, Desmeules M, Di Lallo D, Gagnon A, Gissler M, Glazier R, Heaman M, Korfker D, Macfarlane A, Ng E, Roth C, Small R, Stewart D, Stray-Pederson B, Urquia M, Vangen S, Zeitlin J, Zimbeck M (2009)
Migration to western industrialised countries and perinatal health: a systematic review
Soc Sci Med, 69 (6), 934-46
DOI 10.1016/j.socscimed.2009.06.027, PubMed 19664869

Lukasse M, Schei B, Vangen S, Øian P (2009)
Childhood abuse and common complaints in pregnancy
Birth, 36 (3), 190-9
DOI 10.1111/j.1523-536X.2009.00323.x, PubMed 19747265

Vangen S, Jenum AK, Graff-Iversen S, Idland G (2009)
[Is gender perspective on health of the elderly necessary?]
Tidsskr Nor Laegeforen, 129 (6), 538-9
DOI 10.4045/tidsskr.08.0040, PubMed 19282892

Publications 2008

Al-Zirqi I, Vangen S, Forsen L, Stray-Pedersen B (2008)
Prevalence and risk factors of severe obstetric haemorrhage
BJOG, 115 (10), 1265-72
DOI 10.1111/j.1471-0528.2008.01859.x, PubMed 18715412

Bjerke SE, Vangen S, Nordhagen R, Ytterdahl T, Magnus P, Stray-Pedersen B (2008)
Postpartum depression among Pakistani women in Norway: prevalence and risk factors
J Matern Fetal Neonatal Med, 21 (12), 889-94
DOI 10.1080/14767050802320340, PubMed 18846480

Holan S, Vangen S, Hanssen K, Stray-Pedersen B (2008)
[Pregnancy in diabetes among Asian, African and Norwegian women]
Tidsskr Nor Laegeforen, 128 (11), 1289-92
PubMed 18511973

Small R, Gagnon A, Gissler M, Zeitlin J, Bennis M, Glazier R, Haelterman E, Martens G, McDermott S, Urquia M, Vangen S (2008)
Somali women and their pregnancy outcomes postmigration: data from six receiving countries
BJOG, 115 (13), 1630-40
DOI 10.1111/j.1471-0528.2008.01942.x, PubMed 19035939

Vangen S, Eskild A, Forsen L (2008)
Termination of pregnancy according to immigration status: a population-based registry linkage study
BJOG, 115 (10), 1309-15
DOI 10.1111/j.1471-0528.2008.01832.x, PubMed 18715418

Vikanes A, Grjibovski AM, Vangen S, Magnus P (2008)
Variations in prevalence of hyperemesis gravidarum by country of birth: a study of 900,074 pregnancies in Norway, 1967-2005
Scand J Public Health, 36 (2), 135-42
DOI 10.1177/1403494807085189, PubMed 18519277

Vikanes A, Grjibovski AM, Vangen S, Magnus P (2008)
Length of residence and risk of developing hyperemesis gravidarum among first generation immigrants to Norway
Eur J Public Health, 18 (5), 460-5
DOI 10.1093/eurpub/ckn051, PubMed 18550566

Publications 2007

Cham M, Vangen S, Sundby J (2007)
Maternal deaths in rural Gambia
Glob Public Health, 2 (4), 359-72
DOI 10.1080/17441690600918188, PubMed 19283633

Eskild A, Nesheim BI, Busund B, Vatten L, Vangen S (2007)
Childbearing or induced abortion: the impact of education and ethnic background. Population study of Norwegian and Pakistani women in Oslo, Norway
Acta Obstet Gynecol Scand, 86 (3), 298-303
DOI 10.1080/00016340601133780, PubMed 17364303

Saastad E, Vangen S, Frøen JF (2007)
Suboptimal care in stillbirths - a retrospective audit study
Acta Obstet Gynecol Scand, 86 (4), 444-50
DOI 10.1080/00016340701207724, PubMed 17486466

Publications 2006

Gurina NA, Vangen S, Forsén L, Sundby J (2006)
Maternal mortality in St. Petersburg, Russian Federation
Bull World Health Organ, 84 (4), 283-9
DOI 10.2471/blt.05.020677, PubMed 16628301

Helgadóttir LB, Qvigstad E, Melseth E, Vangen S, Eskild A (2006)
[Requested abortions in Oslo 2000-2003]
Tidsskr Nor Laegeforen, 126 (13), 1744-6
PubMed 16794668

Vangen S, Hoffmann R, Flo K, Lorentzen B, Sand S (2006)
[Female circumcision--complications and treatment]
Tidsskr Nor Laegeforen, 126 (4), 475-7
PubMed 16477289

Publications 2005

Ahlberg N, Vangen S (2005)
[Pregnancy and birth in multicultural Norway]
Tidsskr Nor Laegeforen, 125 (5), 586-8
PubMed 15776032

Cham M, Sundby J, Vangen S (2005)
Maternal mortality in the rural Gambia, a qualitative study on access to emergency obstetric care
Reprod Health, 2 (1), 3
DOI 10.1186/1742-4755-2-3, PubMed 15871743

Vangen S, Nordhagen R, Lie KK (2005)
[Revisiting the Forsdahl-Barker hypothesis]
Tidsskr Nor Laegeforen, 125 (4), 451-3
PubMed 15742021

Publications 2004

Johansen RE, Barre A, Sundby J, Vangen S (2004)
[Just a little incision]
Tidsskr Nor Laegeforen, 124 (19), 2506-8
PubMed 15477893

Vangen S (2004)
Commentary: Unravelling the mystery of variation in birthweight
Int J Epidemiol, 33 (4), 829-30
DOI 10.1093/ije/dyh218, PubMed 15155691

Vangen S, Johansen RE, Sundby J, Traeen B, Stray-Pedersen B (2004)
Qualitative study of perinatal care experiences among Somali women and local health care professionals in Norway
Eur J Obstet Gynecol Reprod Biol, 112 (1), 29-35
DOI 10.1016/s0301-2115(03)00313-0, PubMed 14687735

Publications 2003

Vangen S, Bergsjø P (2003)
[Do women die from pregnancy these days?]
Tidsskr Nor Laegeforen, 123 (24), 3544-5
PubMed 14691495

Vangen S, Stoltenberg C, Holan S, Moe N, Magnus P, Harris JR, Stray-Pedersen B (2003)
Outcome of pregnancy among immigrant women with diabetes
Diabetes Care, 26 (2), 327-32
DOI 10.2337/diacare.26.2.327, PubMed 12547857

Vangen S, Stoltenberg C, Holan S, Moe N, Magnus P, Harris JR, Stray-Pedersen B (2003)
Outcome of pregnancy among immigrant women with diabetes
In Diabetes care, The Association, Alexandria, VA, 26(2003)2, s.327-32
BIBSYS 041728432

Vangen S, Stray-Pedersen B, Skrondal A, Magnus P, Stoltenberg C (2003)
High risk of cesarean section among ethnic Filipinos: an effect of the paternal contribution to birthweight?
Acta Obstet Gynecol Scand, 82 (2), 192-3
DOI 10.1034/j.1600-0412.2003.00075.x, PubMed 12648185

Publications 2002

Vangen S (2002)
Perinatal health among immigrants
In Series of dissertations submitted to the Faculty of Medicine, University of Oslo, Unipub, Oslo, no. 62, 1 b. (flere pag.)
BIBSYS 022840850, ISBN 82-8072-037-5

Vangen S, Stoltenberg C, Johansen RE, Sundby J, Stray-Pedersen B (2002)
Perinatal complications among ethnic Somalis in Norway
Acta Obstet Gynecol Scand, 81 (4), 317-22
DOI 10.1034/j.1600-0412.2002.810407.x, PubMed 11952461

Vangen S, Stoltenberg C, Skjaerven R, Magnus P, Harris JR, Stray-Pedersen B (2002)
The heavier the better? Birthweight and perinatal mortality in different ethnic groups
Int J Epidemiol, 31 (3), 654-60
DOI 10.1093/ije/31.3.654, PubMed 12055170

Publications 2000

Vangen S, Stoltenberg C, Skrondal A, Magnus P, Stray-Pedersen B (2000)
Cesarean section among immigrants in Norway
Acta Obstet Gynecol Scand, 79 (7), 553-8
DOI 10.1034/j.1600-0412.2000.079007553.x, PubMed 10929954

Publications 1999

Vangen S, Stoltenberg C, Stray-Pedersen B (1999)
Complaints and complications in pregnancy: a study of ethnic Norwegian and ethnic Pakistani women in Oslo
Ethn Health, 4 (1-2), 19-28
DOI 10.1080/13557859998155, PubMed 10887458

Publications 1996

Vangen S, Stoltenberg C, Schei B (1996)
Ethnicity and use of obstetrical analgesia: do Pakistani women receive inadequate pain relief in labour?
Ethn Health, 1 (2), 161-7
DOI 10.1080/13557858.1996.9961783, PubMed 9395560