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 2021-10-01 to 2025-10-01.)

Article	Citations
How should we assess randomised trials?	101
Pregnancy outcomes in women with Budd–Chiari syndrome or portal vein thrombosis: a multicentre retrospective cohort study	85
Women's health following childbirth	83
Obstetric capacity strengthening in Ghana results in wide geographic distribution and retention of certified Obstetrician/Gynaecologists: A quantitative analysis	79
Author Index	79
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	64
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
It's time to prioritise women's health	61
Cerclage Reinforcement Following Primary Cerclage Procedure for Prevention of Preterm Birth: A Systematic Review and Meta‐Analysis	58
Changes in medication initiation and selection patterns for gestational diabetes management	58
Author Index	51
Propranolol and Oxytocin‐Induced Contractility in Gravid Human Myometrium: An Ex Vivo Laboratory Study	51
Issue Information	50
Striving towards personalised obstetric care	44
	43
Pregnancy After Metabolic Bariatric Surgery: Risks and Rewards for Mother and Child	42
Optimising Anti‐D Use: Revisiting Guidelines for First Trimester Abortions	42
Patient preferences for disposable and reusable vaginal specula and their willingness to compromise in the era of climate change: A cross‐sectional study	41
Infant Emergency Department Use After Midwifery‐ Versus Obstetrician‐Led Perinatal Care: A Population‐Based Cohort Study	41
Long‐term efficacy and complications of a multicentre randomised controlled trial comparing retropubic and transobturator mid‐urethral slings: a prospective observational study	39
Refining Intrauterine Contraction Monitoring in Chorioamnionitis	38
Heat stress and adverse pregnancy outcome: Prospective cohort study	36
Pre‐eclampsia and gestational diabetes mellitus are associated with an increased risk of cardiovascular disease	36
Improving trustworthiness in research on women's health: Some suggestions from a reviewer's viewpoint	35

Fetal Pillow Deflates: Low‐Lithotomy Caesarean Delivers	35
Quality not quantity	33
PRECeDe Pilot: Prevention of neonatal respiratory distress with antenatal corticosteroids before elective caesarean section in women with diabetes – a feasibility randomised trial	32
The association between spontaneous preterm birth and maternal hypertension in the fifth decade of life: a retrospective case–control study	32
Consolidated Health Economic Evaluation Reporting Standards 2022 (CHEERS 2022) statement: updated reporting guidance for health economic evaluations	32
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	31
Cervical cancer and COVID—an assessment of the initial effect of the pandemic and subsequent projection of impact for women in England: A cohort study	31
Standardising outcome reporting for clinical trials of interventions for heavy menstrual bleeding: Development of a core outcome set	31
Effect of gestational age at laser therapy on perinatal outcome in monochorionic diamniotic pregnancies affected by twin‐to‐twin transfusion syndrome	31
Hospitalisation for non‐lethal self‐harm and premature mortality in the 3 years following adolescent pregnancy: Population‐based nationwide cohort study	31
The long‐term outcomes of vaginoplasty using acellular porcine small intestinal submucosa grafts in patients with Mayer–Rokitansky–Küster–Hauser syndrome: A case series	31