| # | Title | Journal | Year | Citations |
|---|
| 1 | Reference ranges for serial measurements of umbilical artery Doppler indices in the second half of pregnancy | American Journal of Obstetrics and Gynecology | 2005 | 324 |
| 2 | Oncogenic PIK3CA-driven mammary tumors frequently recur via PI3K pathway–dependent and PI3K pathway–independent mechanisms | Nature Medicine | 2011 | 231 |
| 3 | The fetal circulation | Prenatal Diagnosis | 2004 | 205 |
| 4 | Scientific basis for the content of routine antenatal care I. Philosophy, recent studies, and power to eliminate or alleviate adverse maternal outcomes | Acta Obstetricia Et Gynecologica Scandinavica | 1997 | 200 |
| 5 | Trends in Risk Factors for Obstetric Anal Sphincter Injuries in Norway | Obstetrics and Gynecology | 2010 | 154 |
| 6 | Pregnancy outcome in women before and after cervical conisation: population based cohort study | BMJ: British Medical Journal | 2008 | 149 |
| 7 | Immunogenicity of the 9-Valent HPV Vaccine Using 2-Dose Regimens in Girls and Boys vs a 3-Dose Regimen in Women | JAMA - Journal of the American Medical Association | 2016 | 147 |
| 8 | Pre‐pregnancy risk factors of small‐for‐gestational age births among parous women in Scandinavia | Acta Obstetricia Et Gynecologica Scandinavica | 1993 | 139 |
| 9 | Prognostic Impact of Alterations in P-Cadherin Expression and Related Cell Adhesion Markers in Endometrial Cancer | Journal of Clinical Oncology | 2004 | 138 |
| 10 | Molecular analysis of the PI3K‐AKT pathway in uterine cervical neoplasia: Frequent PIK3CA amplification and AKT phosphorylation | International Journal of Cancer | 2006 | 137 |
| 11 | Epigenome-based cancer risk prediction: rationale, opportunities and challenges | Nature Reviews Clinical Oncology | 2018 | 129 |
| 12 | Lack of Estrogen Receptor-α Is Associated with Epithelial–Mesenchymal Transition and PI3K Alterations in Endometrial Carcinoma | Clinical Cancer Research | 2013 | 120 |
| 13 | Portal and umbilical venous blood supply to the liver in the human fetus near term | Ultrasound in Obstetrics and Gynecology | 2004 | 112 |
| 14 | Complications during pregnancy in women with epilepsy: population‐based cohort study | BJOG: an International Journal of Obstetrics and Gynaecology | 2009 | 98 |
| 15 | Duration Of Human Singleton Pregnancy: A Population-based Study | Acta Obstetricia Et Gynecologica Scandinavica | 1990 | 96 |
| 16 | Obstetric fistula in 14,928 Ethiopian women | Acta Obstetricia Et Gynecologica Scandinavica | 2010 | 96 |
| 17 | Registration artifacts in international comparisons of infant mortality | Paediatric and Perinatal Epidemiology | 2002 | 88 |
| 18 | Screening for Serum Total Homocysteine in Newborn Children | Clinical Chemistry | 2004 | 83 |
| 19 | Evaluation of a protocol for selecting fetuses in breech presentation for vaginal delivery or cesarean section | American Journal of Obstetrics and Gynecology | 1997 | 82 |
| 20 | Ploidy assessment of benign and malignant ovarian tumors by flow cytometry. A clinicopathologic study | Cancer | 1987 | 77 |
| 21 | ISUOG Practice Guidelines (updated): use of Doppler velocimetry in obstetrics | Ultrasound in Obstetrics and Gynecology | 2021 | 74 |
| 22 | Scientific basis for the content of routine antenatal care | Acta Obstetricia Et Gynecologica Scandinavica | 1997 | 73 |
| 23 | Birth Weight and Perinatal Mortality: A Comparison of “Optimal” Birth Weight in Seven Western European Countries | Epidemiology | 2002 | 72 |
| 24 | Chromatin organisation and cancer prognosis: a pan-cancer study | Lancet Oncology, The | 2018 | 67 |
| 25 | Molecular determinants of outcome with mammalian target of rapamycin inhibition in endometrial cancer | Cancer | 2014 | 64 |
| 26 | Serum Urate as a Predictor of Fetal Outcome in Severe Pre-Eclampsia | Acta Obstetricia Et Gynecologica Scandinavica | 1984 | 62 |
| 27 | Prognostic value of the flow cytometric DNA index in human ovarian carcinoma | Cancer | 1988 | 59 |
| 28 | Fetal Growth and Body Proportion in Preeclampsia | Obstetrics and Gynecology | 2003 | 57 |
| 29 | Longitudinal Study of Umbilical and Portal Venous Blood flow to the Fetal Liver: Low Pregnancy Weight Gain is Associated With Preferential Supply to the Fetal Left Liver Lobe | Pediatric Research | 2008 | 57 |
| 30 | The incidence of ectopic pregnancy in Hordaland county, Norway 1976–1993 | Acta Obstetricia Et Gynecologica Scandinavica | 1997 | 54 |
| 31 | Preoperative Tumor Size at MRI Predicts Deep Myometrial Invasion, Lymph Node Metastases, and Patient Outcome in Endometrial Carcinomas | International Journal of Gynecological Cancer | 2015 | 53 |
| 32 | Fetal growth retardation associated with inadequate haemodilution in otherwise uncomplicated pregnancy | Acta Obstetricia Et Gynecologica Scandinavica | 1979 | 52 |
| 33 | The diagnosis and management of suspected fetal growth restriction: an evidence-based approach | American Journal of Obstetrics and Gynecology | 2022 | 51 |
| 34 | High Hemoglobin Levels During Pregnancy and Fetal Risk | International Journal of Gynecology and Obstetrics | 1980 | 50 |
| 35 | Characteristics of women who are pregnant with their first baby at an advanced age | Acta Obstetricia Et Gynecologica Scandinavica | 2012 | 50 |
| 36 | Womens' opinions on antenatal care in developing countries: results of a study in Cuba, Thailand, Saudi Arabia and Argentina | BMC Public Health | 2003 | 49 |
| 37 | Transplacental Passage of Ketamine after Intravenous Administration | Acta Anaesthesiologica Scandinavica | 1977 | 48 |
| 38 | PTEN loss is a context‐dependent outcome determinant in obese and non‐obese endometrioid endometrial cancer patients | Molecular Oncology | 2015 | 47 |
| 39 | Fetal cerebral Doppler changes and outcome in late preterm fetal growth restriction: prospective cohort study | Ultrasound in Obstetrics and Gynecology | 2020 | 47 |
| 40 | Maternal Hemoglobin Concentration is Closely Related to Birth Weight in Normal Pregnancies | Acta Obstetricia Et Gynecologica Scandinavica | 1984 | 46 |
| 41 | Colonization in the rectum and uterine cervix with group B streptococci may induce specific antibody responses in cervical secretions of pregnant women | Infection and Immunity | 1996 | 46 |
| 42 | Obstetric history and the risk of placenta previa | Acta Obstetricia Et Gynecologica Scandinavica | 2000 | 45 |
| 43 | Smoking, hemoglobin levels, and birth weights in normal pregnancies | American Journal of Obstetrics and Gynecology | 1984 | 44 |
| 44 | Severe lacerations after childbirth | Acta Obstetricia Et Gynecologica Scandinavica | 1993 | 44 |
| 45 | Reference ranges for middle cerebral artery peak systolic velocity in monochorionic diamniotic twins: a longitudinal study | Ultrasound in Obstetrics and Gynecology | 2009 | 44 |
| 46 | Dysmenorrhea in Industrial Workers | Acta Obstetricia Et Gynecologica Scandinavica | 1975 | 43 |
| 47 | Doppler-derived umbilical artery absolute velocities and their relationship to fetoplacental volume blood flow: a longitudinal study | Ultrasound in Obstetrics and Gynecology | 2005 | 41 |
| 48 | Males with Low Birthweight Examined at 18 Years of Age | Acta Paediatrica, International Journal of Paediatrics | 1984 | 40 |
| 49 | Boys Born by Forceps and Vacuum Extraction Examined at 18 Years of Age | Acta Obstetricia Et Gynecologica Scandinavica | 1984 | 38 |
| 50 | Males with Neonatal Hyperbilirubinemia Examined at 18 Years of Age | Acta Paediatrica, International Journal of Paediatrics | 1984 | 38 |
