OOIR: Observatory of International Research

Papers

(The H4-Index of BJOG-An International Journal of Obstetrics and Gynaecology is 31. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-11-01 to 2025-11-01.)

Article	Citations
How should we assess randomised trials?	106
Pregnancy outcomes in women with Budd–Chiari syndrome or portal vein thrombosis: a multicentre retrospective cohort study	91
Women's health following childbirth	86
Author Index	83
Cost–benefit of antenatal glucocorticoid therapy: There is still much more to learn	74
Long‐term outcome in twins: on the importance of follow‐up but also of chorionicity	65
Re: Comparison of the performance of estimated fetal weight charts for the detection of small‐ and large‐for‐gestational‐age newborns with adverse outcomes: a French population‐based study	61
Changes in medication initiation and selection patterns for gestational diabetes management	58
It's time to prioritise women's health	58
Cerclage Reinforcement Following Primary Cerclage Procedure for Prevention of Preterm Birth: A Systematic Review and Meta‐Analysis	55
Propranolol and Oxytocin‐Induced Contractility in Gravid Human Myometrium: An Ex Vivo Laboratory Study	53
Issue Information	52
Author Index	52
Striving towards personalised obstetric care	44
The long‐term outcomes of vaginoplasty using acellular porcine small intestinal submucosa grafts in patients with Mayer–Rokitansky–Küster–Hauser syndrome: A case series	43
	43
Optimising Anti‐D Use: Revisiting Guidelines for First Trimester Abortions	43
Pregnancy After Metabolic Bariatric Surgery: Risks and Rewards for Mother and Child	43
Standardising outcome reporting for clinical trials of interventions for heavy menstrual bleeding: Development of a core outcome set	39
A re‐analysis of 150 women's health trials to investigate how the Bayesian approach may offer a solution to the misinterpretation of statistical findings	38
Variability in COVID‐19 vaccination rates in pregnant women: Vaccine hesitancy or supply limitations?	36
Patient preferences for disposable and reusable vaginal specula and their willingness to compromise in the era of climate change: A cross‐sectional study	36
Hospitalisation for non‐lethal self‐harm and premature mortality in the 3 years following adolescent pregnancy: Population‐based nationwide cohort study	35
Infant Emergency Department Use After Midwifery‐ Versus Obstetrician‐Led Perinatal Care: A Population‐Based Cohort Study	35
Quality not quantity	34

Refining Intrauterine Contraction Monitoring in Chorioamnionitis	33
Pre‐eclampsia and gestational diabetes mellitus are associated with an increased risk of cardiovascular disease	32
Fetal Pillow Deflates: Low‐Lithotomy Caesarean Delivers	32
Improving trustworthiness in research on women's health: Some suggestions from a reviewer's viewpoint	32
Impact of Laser‐Assisted Hatching on Cognitive and Metabolic Development of Singletons Conceived Through Frozen–Thawed Embryo Transfer: A Matched Cohort Study	31
The association between spontaneous preterm birth and maternal hypertension in the fifth decade of life: a retrospective case–control study	31
Factors Contributing to Uptake of Stillbirth Evaluations: A Qualitative Analysis	31
PRECeDe Pilot: Prevention of neonatal respiratory distress with antenatal corticosteroids before elective caesarean section in women with diabetes – a feasibility randomised trial	31