OOIR: Observatory of International Research

Papers

(The H4-Index of BMC Pregnancy and Childbirth is 37. 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 2022-06-01 to 2026-06-01.)

Article	Citations
Antepartum risk factors and outcomes of massive transfusion for elective cesarean section: a nationwide retrospective cohort study	133
Effect of antenatal use of high energy nutritional supplements on cardio metabolic risk markers in underweight primi gravidas; a randomized controlled trial	87
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	69
Association between dietary intakes and pregnancy complications: a two-sample Mendelian randomization analysis	65
Pelvic packing as a life-saving intervention in the referral of patients with obstetric hemorrhage: comparing outcomes in referred and non-referred patients	64
Assessment of fetal left ventricular function in pregnancies with Anti-Ro/SSA or Anti-La/SSB antibodies using velocity vector imaging	62
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	61
Prevalence and correlates of physical violence perpetrated by an intimate partner against women who are pregnant in India	61
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	56
Iranian midwives’ lived experiences of providing continuous midwife-led intrapartum care: a qualitative study	54
Stillbirths in Cameroon: an analysis of the 1998–2011 demographic and health surveys	49
Unraveling the complexity of selected adverse neonatal outcomes in India: a multilevel analysis using data from a nationally representative sample survey	48
Women’s use of non-conventional herbal uterotonic in pregnancy and labour: evidence from birth attendants	48
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	47
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	46
Prenatal diagnosis of a severe form of frontonasal dysplasia with severe limb anomalies, hydrocephaly, a hypoplastic corpus callosum, and a ventricular septal defect using 3D ultrasound: a case report	46
The ‘Y sign’ as a novel qualitative marker for prenatal detection of aortic coarctation: a retrospective cohort study	45
Predicting intraoperative hemorrhage during curettage treatment of cesarean scar pregnancy using free-breathing GRASP DCE-MRI	45
Ultrasonographic clues to malignancy: a decade of adnexal mass evaluation in pregnant women	44
The effects of a YouTube prenatal program on social support, environmental health behavior, and content satisfaction: a quasi-experimental research design	44
Zhang’s guideline vs. 1994 WHO partograph: comparative effectiveness in managing hypertensive disorder of pregnancy	43
Implementation of a mental health promotion intervention in a high-risk pregnancy unit: the “Ombrelles” program	43
Cesarean section in Uruguay from 2008 to 2018: country analysis based on the Robson classification. An observational study	43
Application of an individualized nomogram in the first-trimester for predicting cleft lip and palate	43

Complications in hospitalized neonates born to mothers with HDP subtypes: a retrospective cohort study and mediation analysis	42
A mitochondrial regulator protein, mitofusin 2, is elevated in the maternal blood of women with preeclampsia	42
Birthing parent and companion verbal reactions following interactions with inpatient postpartum health care team members: an observational study using naturalistic filming	42
Serum 25‑hydroxyvitamin D and dietary calcium intake interact in relation to blood cadmium in pregnant women: evidence from the NHANES survey	41
Pregnancy-related maternal and fetal outcomes following renal transplantation: a decade of experience at a tertiary care center in Saudi Arabia	40
Defining “critical” maternal health information for healthy lifestyle self-management in pregnancy: perspectives of pregnant women and obstetricians in China and Malaysia	40
The degree of risk factor and accumulation effect for large niche in individuals after cesarean section	39
Using the COM-B framework to elucidate facilitators and barriers to COVID-19 vaccine uptake in pregnant women: a qualitative study	39
Urethral and pelvic risk factors for postpartum stress urinary incontinence using 3D high frequency endovaginal ultrasound	38
Cervical length of preoperative cervical cerclage prognostic impacted the effect of cervical insufficiency	38
Professional perspectives on barriers to accessing maternity care in England: a qualitative study	37
Knowledge, attitudes, and practices of nurses and midwives on maternity triage in Rwanda: a cross-sectional study in two urban hospitals	37