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 2021-12-01 to 2025-12-01.)

Article	Citations
Predicting the effect of sulfadoxine-pyrimethamine uptake by pregnant women on birth weight using a generalized ordered partial proportional odds model	141
Marginal cord insertion in the first trimester is associated with furcate cord insertion	97
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	95
The indicators for early blood transfusion in patients with placental abruption with intrauterine fetal death: a retrospective review	92
Antepartum risk factors and outcomes of massive transfusion for elective cesarean section: a nationwide retrospective cohort study	68
Effect of antenatal use of high energy nutritional supplements on cardio metabolic risk markers in underweight primi gravidas; a randomized controlled trial	68
Rare spontaneous monochorionic dizygotic twins: a case report and a systematic review	67
Quality newborn care in East New Britain, Papua New Guinea: measuring early newborn care practices and identifying opportunities for improvement	65
Correction: Exploring the potential of cell‑free RNA and pyramid scene parsing network for early preeclampsia screening	52
Uptake of antepartum care services in a matrilineal-matrilocal society: a study of Garo indigenous women in Bangladesh	51
Association between dietary intakes and pregnancy complications: a two-sample Mendelian randomization analysis	51
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
Investigating the association between metabolic syndrome conditions and perinatal mental illness: a national administrative claims study	49
Improving the approach to assess impact of anaemia control programs during pregnancy in India: a critical analysis	49
Women who smoke during pregnancy are more likely to be referred to an obstetrician during pregnancy and birth: results from a cohort study	48
Preconception vitamin D intake and obstetric outcomes in women using assisted reproductive technology: the Japan Environment and Children’s Study	48
The ‘Y sign’ as a novel qualitative marker for prenatal detection of aortic coarctation: a retrospective cohort study	48
Predicting intraoperative hemorrhage during curettage treatment of cesarean scar pregnancy using free-breathing GRASP DCE-MRI	47
Trial of labour versus elective caesarean delivery for estimated large for gestational age foetuses after prior caesarean delivery: a multicenter retrospective study	47
The effects of a YouTube prenatal program on social support, environmental health behavior, and content satisfaction: a quasi-experimental research design	47
Ultrasonographic clues to malignancy: a decade of adnexal mass evaluation in pregnant women	46
Previous caesarean delivery and the presence of caesarean scar defects could affect pregnancy outcomes after in vitro fertilization frozen-thawed embryo transfer: a retrospective cohort study	45
Cervical length of preoperative cervical cerclage prognostic impacted the effect of cervical insufficiency	44
Late antenatal care booking and associated factors among pregnant women in Ethiopia: evidence from 2019 performance monitoring for action data analysis	43
‘I was ‘only’ seen as a birthing woman:’ the pregnancy, birth and postpartum experiences of women with refugee backgrounds in Norway	42

Association of epidural analgesia during labor and early postpartum urinary incontinence among women delivered vaginally: a propensity score matched retrospective cohort study	42
Optimization of programmed intermittent epidural bolus volume for different concentrations of ropivacaine in labor analgesia: a biased coin up-and-down sequential allocation trial	42
Development and validation of a machine learning model for predicting intrapartum fever using pre-labor analgesia clinical indicators: a multicenter retrospective study	41
Reliability of online pregnancy-related information and associated feelings of worry among expectant women in Qatar	40
Pelvic packing as a life-saving intervention in the referral of patients with obstetric hemorrhage: comparing outcomes in referred and non-referred patients	40
Assessment of fetal left ventricular function in pregnancies with Anti-Ro/SSA or Anti-La/SSB antibodies using velocity vector imaging	39
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	38
The effect of mechanical massage on labor pain, duration and maternal satisfaction: a randomized controlled trial	38
Is there a relationship between sleep quality, dietary intake and weight gain in Turkish pregnant women?	38
Prevalence and correlates of physical violence perpetrated by an intimate partner against women who are pregnant in India	38
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	38
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	37