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 2022-01-01 to 2026-01-01.)

Article	Citations
Predicting the effect of sulfadoxine-pyrimethamine uptake by pregnant women on birth weight using a generalized ordered partial proportional odds model	142
Short stature and vaginal dinoprostone as independent predictors of composite maternal-newborn adverse outcomes in induction of labor after one previous cesarean: a retrospective cohort study	100
The indicators for early blood transfusion in patients with placental abruption with intrauterine fetal death: a retrospective review	99
Antepartum risk factors and outcomes of massive transfusion for elective cesarean section: a nationwide retrospective cohort study	71
Effect of antenatal use of high energy nutritional supplements on cardio metabolic risk markers in underweight primi gravidas; a randomized controlled trial	70
Rare spontaneous monochorionic dizygotic twins: a case report and a systematic review	70
Quality newborn care in East New Britain, Papua New Guinea: measuring early newborn care practices and identifying opportunities for improvement	66
Correction: Exploring the potential of cell‑free RNA and pyramid scene parsing network for early preeclampsia screening	53
Association between dietary intakes and pregnancy complications: a two-sample Mendelian randomization analysis	52
Uptake of antepartum care services in a matrilineal-matrilocal society: a study of Garo indigenous women in Bangladesh	50
Investigating the association between metabolic syndrome conditions and perinatal mental illness: a national administrative claims study	50
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	50
Women who smoke during pregnancy are more likely to be referred to an obstetrician during pregnancy and birth: results from a cohort study	49
The ‘Y sign’ as a novel qualitative marker for prenatal detection of aortic coarctation: a retrospective cohort study	49
Preconception vitamin D intake and obstetric outcomes in women using assisted reproductive technology: the Japan Environment and Children’s Study	49
Trial of labour versus elective caesarean delivery for estimated large for gestational age foetuses after prior caesarean delivery: a multicenter retrospective study	48
Predicting intraoperative hemorrhage during curettage treatment of cesarean scar pregnancy using free-breathing GRASP DCE-MRI	48
Ultrasonographic clues to malignancy: a decade of adnexal mass evaluation in pregnant women	47
The effects of a YouTube prenatal program on social support, environmental health behavior, and content satisfaction: a quasi-experimental research design	47
Cervical length of preoperative cervical cerclage prognostic impacted the effect of cervical insufficiency	46
Late antenatal care booking and associated factors among pregnant women in Ethiopia: evidence from 2019 performance monitoring for action data analysis	46
Association of epidural analgesia during labor and early postpartum urinary incontinence among women delivered vaginally: a propensity score matched retrospective cohort study	46
Development and validation of a machine learning model for predicting intrapartum fever using pre-labor analgesia clinical indicators: a multicenter retrospective study	44
Pelvic packing as a life-saving intervention in the referral of patients with obstetric hemorrhage: comparing outcomes in referred and non-referred patients	44
Assessment of fetal left ventricular function in pregnancies with Anti-Ro/SSA or Anti-La/SSB antibodies using velocity vector imaging	43

Prevalence and correlates of physical violence perpetrated by an intimate partner against women who are pregnant in India	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	41
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	40
The effect of mechanical massage on labor pain, duration and maternal satisfaction: a randomized controlled trial	40
Noninvasive prediction of fetal growth restriction using maternal plasma cell-free RNA: a case-control study	39
Internet-based pregnancy information seeking in Lebanon: a cross-sectional study	39
Analysis of variables affecting postpartum quality of life: their relative influence and interrelationships	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	39
Unraveling the complexity of selected adverse neonatal outcomes in India: a multilevel analysis using data from a nationally representative sample survey	38
Iranian midwives’ lived experiences of providing continuous midwife-led intrapartum care: a qualitative study	38
Stillbirths in Cameroon: an analysis of the 1998–2011 demographic and health surveys	38
Risk factors for postpartum urinary retention after vaginal delivery among primiparous women: a retrospective case-control study	38
Toward sustainable development goals in gender inequality: an analysis of gender preferences among urban pregnant women in a Southeast Asian country	37