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 2021-07-01 to 2025-07-01.)

Article	Citations
Cost–benefit of antenatal glucocorticoid therapy: There is still much more to learn	128
Long‐term outcome in twins: on the importance of follow‐up but also of chorionicity	84
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	83
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	73
It's time to prioritise women's health	70
Changes in medication initiation and selection patterns for gestational diabetes management	66
Obstetric capacity strengthening in Ghana results in wide geographic distribution and retention of certified Obstetrician/Gynaecologists: A quantitative analysis	65
How should we assess randomised trials?	59
Pregnancy outcomes in women with Budd–Chiari syndrome or portal vein thrombosis: a multicentre retrospective cohort study	57
Women's health following childbirth	56
Author Index	55
Striving towards personalised obstetric care	54
Propranolol and Oxytocin‐Induced Contractility in Gravid Human Myometrium: An Ex Vivo Laboratory Study	52
	49
Obstetric anal sphincter injuries during instrumental vaginal delivery	49
Pregnancy After Metabolic Bariatric Surgery: Risks and Rewards for Mother and Child	48
Hospitalisation for non‐lethal self‐harm and premature mortality in the 3 years following adolescent pregnancy: Population‐based nationwide cohort study	45
Patient preferences for disposable and reusable vaginal specula and their willingness to compromise in the era of climate change: A cross‐sectional study	42
Author Index	41
Call for emergency action to limit global temperature increases, restore biodiversity, and protect health	40
Issue Information	39
Optimising Anti‐D Use: Revisiting Guidelines for First Trimester Abortions	38
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	36
Improving trustworthiness in research in women's health: A collective effort by OBGYN Editors	36
Assessment of Structural and Process Readiness for Postpartum Haemorrhage Care in Uganda and Ghana: A Mixed Methods Study	36

Effect of gestational age at laser therapy on perinatal outcome in monochorionic diamniotic pregnancies affected by twin‐to‐twin transfusion syndrome	35
Fetal Pillow Deflates: Low‐Lithotomy Caesarean Delivers	34
Population birth data and pandemic readiness in Europe	33
Refining Intrauterine Contraction Monitoring in Chorioamnionitis	32
Impact of Laser‐Assisted Hatching on Cognitive and Metabolic Development of Singletons Conceived Through Frozen–Thawed Embryo Transfer: A Matched Cohort Study	32
Cerclage Reinforcement Following Primary Cerclage Procedure for Prevention of Preterm Birth: A Systematic Review and Meta‐Analysis	31