OOIR: Observatory of International Research

Papers

(The H4-Index of American Journal of Obstetrics and Gynecology is 59. 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 2020-11-01 to 2024-11-01.)

Article	Citations
Vertical transmission of coronavirus disease 2019: a systematic review and meta-analysis	435
Coronavirus disease 2019 vaccine response in pregnant and lactating women: a cohort study	416
An update on COVID-19 and pregnancy	271
COVID-19 vaccination during pregnancy: coverage and safety	266
The importance of nutrition in pregnancy and lactation: lifelong consequences	219
The etiology of preeclampsia	215
Maternal and perinatal outcomes of pregnant women with SARS-CoV-2 infection at the time of birth in England: national cohort study	191
Preeclampsia and COVID-19: results from the INTERCOVID prospective longitudinal study	183
Menstruation: science and society	178
Bacterial vaginosis and its association with infertility, endometritis, and pelvic inflammatory disease	166
SARS-CoV-2 infection during pregnancy and risk of preeclampsia: a systematic review and meta-analysis	161
Failure of physiological transformation and spiral artery atherosis: their roles in preeclampsia	161
Prevention of preeclampsia with aspirin	157
Syncytiotrophoblast stress in preeclampsia: the convergence point for multiple pathways	157
Clinical characteristics of 46 pregnant women with a severe acute respiratory syndrome coronavirus 2 infection in Washington State	148
First trimester preeclampsia screening and prediction	147
Disease severity, pregnancy outcomes, and maternal deaths among pregnant patients with severe acute respiratory syndrome coronavirus 2 infection in Washington State	142
Are clinical outcomes worse for pregnant women at ≥20 weeks’ gestation infected with coronavirus disease 2019? A multicenter case-control study with propensity score matching	137
Pregnant women with severe or critical coronavirus disease 2019 have increased composite morbidity compared with nonpregnant matched controls	136
Imbalances in circulating angiogenic factors in the pathophysiology of preeclampsia and related disorders	133
The exciting potential for ChatGPT in obstetrics and gynecology	128
Coronavirus disease 2019 in pregnancy was associated with maternal morbidity and preterm birth	127
Cord blood antibodies following maternal coronavirus disease 2019 vaccination during pregnancy	117
Preeclampsia and eclampsia: the conceptual evolution of a syndrome	114
The placenta and preeclampsia: villain or victim?	113

Prediction of vaginal birth after cesarean delivery in term gestations: a calculator without race and ethnicity	107
Prevalence and trends in urinary incontinence among women in the United States, 2005–2018	106
Epidemiology of coronavirus disease 2019 in pregnancy: risk factors and associations with adverse maternal and neonatal outcomes	99
Coronavirus disease 2019 infection and placental histopathology in women delivering at term	99
Does race or ethnicity play a role in the origin, pathophysiology, and outcomes of preeclampsia? An expert review of the literature	97
Timing of primary maternal cytomegalovirus infection and rates of vertical transmission and fetal consequences	95
Trends, characteristics, and outcomes of placenta accreta spectrum: a national study in the United States	95
Eclampsia in the 21st century	91
Multicenter prospective study of concordance between embryonic cell-free DNA and trophectoderm biopsies from 1301 human blastocysts	91
Society for Maternal-Fetal Medicine Consult Series #53: Intrahepatic cholestasis of pregnancy	90
Aspirin use during pregnancy and the risk of bleeding complications: a Swedish population-based cohort study	84
Impact of the coronavirus disease 2019 pandemic on the quality of life for women with ovarian cancer	82
Special Report of the Society for Maternal-Fetal Medicine Placenta Accreta Spectrum Ultrasound Marker Task Force: Consensus on definition of markers and approach to the ultrasound examination in pregn	82
Coronavirus disease 2019 and first-trimester spontaneous abortion: a case-control study of 225 pregnant patients	79
Guidelines—similarities and dissimilarities: a systematic review of international clinical practice guidelines for pregnancy hypertension	77
The diagnosis and management of suspected fetal growth restriction: an evidence-based approach	75
Patient and provider perspectives of a new prenatal care model introduced in response to the coronavirus disease 2019 pandemic	74
Increasing severity of COVID-19 in pregnancy with Delta (B.1.617.2) variant surge	73
Impact of uterine manipulator on oncological outcome in endometrial cancer surgery	72
SARS-CoV-2 infection and subsequent changes in the menstrual cycle among participants in the Arizona CoVHORT study	71
New insights into the etiopathology of placenta accreta spectrum	70
Prospective phase II trial of levonorgestrel intrauterine device: nonsurgical approach for complex atypical hyperplasia and early-stage endometrial cancer	69
The coronavirus disease 2019 vaccine in pregnancy: risks, benefits, and recommendations	69
Risk factors for primary pelvic organ prolapse and prolapse recurrence: an updated systematic review and meta-analysis	69
Maternal vaccination: a review of current evidence and recommendations	68
Clinical risk factors of adverse outcomes among women with COVID-19 in the pregnancy and postpartum period: a sequential, prospective meta-analysis	67
A standardized definition of placental infection by SARS-CoV-2, a consensus statement from the National Institutes of Health/Eunice Kennedy Shriver National Institute of Child Health and Human Develop	67
Placental energy metabolism in health and disease—significance of development and implications for preeclampsia	65
Hydroxychloroquine early in pregnancy and risk of birth defects	64
Progress in the understanding of the pathophysiology of immunologic maladaptation related to early-onset preeclampsia and metabolic syndrome related to late-onset preeclampsia	63
Expression of severe acute respiratory syndrome coronavirus 2 cell entry genes, angiotensin-converting enzyme 2 and transmembrane protease serine 2, in the placenta across gestation and at the materna	63
Experience of 300 cases of prenatal fetoscopic open spina bifida repair: report of the International Fetoscopic Neural Tube Defect Repair Consortium	62
Physical examination–indicated cerclage in twin pregnancy: a randomized controlled trial	61
Maternal morbidity and fetal outcomes among pregnant women at 22 weeks’ gestation or less with complications in 2 Texas hospitals after legislation on abortion	60
ChatGPT outscored human candidates in a virtual objective structured clinical examination in obstetrics and gynecology	59
Preeclampsia has two phenotypes which require different treatment strategies	59
Singleton preterm birth rates for racial and ethnic groups during the coronavirus disease 2019 pandemic in California	59
Management of clinical chorioamnionitis: an evidence-based approach	59