OOIR: Observatory of International Research

Papers

(The H4-Index of BMC Pregnancy and Childbirth is 38. 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 2022-05-01 to 2026-05-01.)

Article	Citations
Antepartum risk factors and outcomes of massive transfusion for elective cesarean section: a nationwide retrospective cohort study	128
Effect of antenatal use of high energy nutritional supplements on cardio metabolic risk markers in underweight primi gravidas; a randomized controlled trial	86
Rare spontaneous monochorionic dizygotic twins: a case report and a systematic review	77
Quality newborn care in East New Britain, Papua New Guinea: measuring early newborn care practices and identifying opportunities for improvement	74
Association between dietary intakes and pregnancy complications: a two-sample Mendelian randomization analysis	66
The association between dietary, physical activity and the DNA methylation of PPARGC1A, HLA-DQA1 and ADCY3 in pregnant women with gestational diabetes mellitus: a nest case-control study	64
The ‘Y sign’ as a novel qualitative marker for prenatal detection of aortic coarctation: a retrospective cohort study	62
Predicting intraoperative hemorrhage during curettage treatment of cesarean scar pregnancy using free-breathing GRASP DCE-MRI	61
The effects of a YouTube prenatal program on social support, environmental health behavior, and content satisfaction: a quasi-experimental research design	60
Ultrasonographic clues to malignancy: a decade of adnexal mass evaluation in pregnant women	58
Early ultrasound diagnosis and management of intramural pregnancy: a case series report utilizing the FIGO leiomyoma classification system and 3D sonographic mapping	54
Internet-based pregnancy information seeking in Lebanon: a cross-sectional study	54
The effect of mechanical massage on labor pain, duration and maternal satisfaction: a randomized controlled trial	54
Essential newborn care practices at health facilities and homes in Ethiopia: a cross-sectional study	49
Effect of obsessive compulsive behavior and breastfeeding self-efficacy on maternal satisfaction in the postpartum period: a case-control study	46
Using the COM-B framework to elucidate facilitators and barriers to COVID-19 vaccine uptake in pregnant women: a qualitative study	46
Examining provider practice-level disparities in delivery outcomes among patients with a history of Cesarean Delivery	46
Ghanaian women’s experiences of unsuccessful in-vitro fertilisation treatment, unravelling their meanings: a Heideggerian hermeneutic phenomenological study	46
Association between long-term and short-term exposure to outdoor air pollution and stillbirth: a systematic review and meta-analysis	46
Conservative management of placenta accreta spectrum disorders: a retrospective cohort study	44
The degree of risk factor and accumulation effect for large niche in individuals after cesarean section	44
Defining “critical” maternal health information for healthy lifestyle self-management in pregnancy: perspectives of pregnant women and obstetricians in China and Malaysia	44
Pelvic packing as a life-saving intervention in the referral of patients with obstetric hemorrhage: comparing outcomes in referred and non-referred patients	43
Prevalence and correlates of physical violence perpetrated by an intimate partner against women who are pregnant in India	43
Kuwaiti women’s perception of social support in pregnancy: a qualitative study	43

Assessment of fetal left ventricular function in pregnancies with Anti-Ro/SSA or Anti-La/SSB antibodies using velocity vector imaging	43
Efficacy and safety of misoprostol versus oxytocin for labor induction in women with prelabor rupture of membranes: a meta-analysis	43
Iranian midwives’ lived experiences of providing continuous midwife-led intrapartum care: a qualitative study	42
Clinical characteristics, pregnancy outcomes, and neonatal effects of cytomegalovirus infection in pregnant women in Liuzhou city, North central Guangxi of Southern China: a retrospective study from 2	42
Risk factors for postpartum urinary retention after vaginal delivery among primiparous women: a retrospective case-control study	42
Retrospective cohort study on cumulative live birth rate of in vitro fertilization/intracytoplasmic sperm injection after multiple complete cycles in patients with diminished ovarian reserve	42
Stillbirths in Cameroon: an analysis of the 1998–2011 demographic and health surveys	41
Unraveling the complexity of selected adverse neonatal outcomes in India: a multilevel analysis using data from a nationally representative sample survey	41
Prevalence of neurotoxicity symptoms among postpartum women on isoniazid preventive therapy and efavirenz-based treatment for HIV: an exploratory objective of the IMPAACT P1078 randomized trial	40
Women’s use of non-conventional herbal uterotonic in pregnancy and labour: evidence from birth attendants	40
Correction: Exploring the potential of cell‑free RNA and pyramid scene parsing network for early preeclampsia screening	39
Intrapartum ultrasound measurement of the lower uterine segment thickness in parturients with previous scar in labor: a cross-sectional study	39
An endometrium of type C along with an endometrial thickness of < 8 mm are risk factors for ectopic pregnancy after stimulated cycles with fresh embryo transfer	38