OOIR: Observatory of International Research

Papers

(The H4-Index of Ultrasound in Obstetrics & Gynecology is 42. 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 2020-04-01 to 2024-04-01.)

Article	Citations
Effect of coronavirus disease 2019 (COVID‐19) on maternal, perinatal and neonatal outcome: systematic review	388
ISUOG Practice Guidelines: diagnosis and management of small‐for‐gestational‐age fetus and fetal growth restriction	346
Coronavirus in pregnancy and delivery: rapid review	320
Pregnancy and neonatal outcomes of COVID‐19: coreporting of common outcomes from PAN‐COVID and AAP‐SONPM registries	204
ISUOG Practice Guidelines (updated): sonographic examination of the fetal central nervous system. Part 1: performance of screening examination and indications for targeted neurosonography	143
Maternal and perinatal outcomes of pregnant women with SARS‐CoV‐2 infection	122
Pregnant women with SARS‐CoV‐2 infection are at higher risk of death and pneumonia: propensity score matched analysis of a nationwide prospective cohort (COV19Mx)	117
Lung ultrasound and computed tomographic findings in pregnant woman with COVID‐19	116
Clinical role of lung ultrasound for diagnosis and monitoring of COVID‐19 pneumonia in pregnant women	111
Introduction to artificial intelligence in ultrasound imaging in obstetrics and gynecology	104
Short‐term outcome of pregnant women vaccinated with BNT162b2 mRNA COVID‐19 vaccine	103
ISUOG Practice Guidelines (updated): performance of the routine mid‐trimester fetal ultrasound scan	97
ISUOG Practice Guidelines (updated): sonographic examination of the fetal central nervous system. Part 2: performance of targeted neurosonography	96
How to perform lung ultrasound in pregnant women with suspected COVID‐19	90
Using deep‐learning algorithms to classify fetal brain ultrasound images as normal or abnormal	76
Consensus on revised definitions of Morphological Uterus Sonographic Assessment (MUSA) features of adenomyosis: results of modified Delphi procedure	76
ISUOG Practice Guidelines (updated): use of Doppler velocimetry in obstetrics	74
Why are congenital heart defects being missed?	71
ISUOG Interim Guidance on coronavirus disease 2019 (COVID‐19) during pregnancy and puerperium: information for healthcare professionals – an update	71
Role of Doppler ultrasound at time of diagnosis of late‐onset fetal growth restriction in predicting adverse perinatal outcome: prospective cohort study	61
ISUOG Practice Guidelines: role of ultrasound in congenital infection	58
Intrauterine vertical transmission of SARS‐CoV‐2: what we know so far	57
Diagnosis of major heart defects by routine first‐trimester ultrasound examination: association with increased nuchal translucency, tricuspid regurgitation and abnormal flow in ductus venosus	55
Ultrasound image analysis using deep neural networks for discriminating between benign and malignant ovarian tumors: comparison with expert subjective assessment	55
Effect of maternal diabetes on fetal heart function on echocardiography: systematic review and meta‐analysis	49

Pregnancy and COVID‐19: pharmacologic considerations	49
Cardiovascular events following pregnancy complicated by pre‐eclampsia with emphasis on comparison between early‐ and late‐onset forms: systematic review and meta‐analysis	49
First‐trimester ultrasound detection of fetal heart anomalies: systematic review and meta‐analysis	49
Single‐cell RNA expression profiling of SARS‐CoV‐2‐related ACE2 and TMPRSS2 in human trophectoderm and placenta	48
Role of prenatal magnetic resonance imaging in fetuses with isolated mild or moderate ventriculomegaly in the era of neurosonography: international multicenter study	48
Protein expression of angiotensin‐converting enzyme 2, a SARS‐CoV‐2‐specific receptor, in fetal and placental tissues throughout gestation: new insight for perinatal counseling	48
Learning curves of open and endoscopic fetal spina bifida closure: systematic review and meta‐analysis	47
Secondary prevention of congenital cytomegalovirus infection with valacyclovir following maternal primary infection in early pregnancy	47
COVID‐19 during pregnancy: non‐reassuring fetal heart rate, placental pathology and coagulopathy	47
Screening for pre‐eclampsia at 11–13 weeks' gestation: use of pregnancy‐associated plasma protein‐A, placental growth factor or both	46
Fetal cerebral Doppler changes and outcome in late preterm fetal growth restriction: prospective cohort study	46
COngenital heart disease and the Diagnostic yield with Exome sequencing (CODE) study: prospective cohort study and systematic review	45
Strengths and limitations of diagnostic tools for endometriosis and relevance in diagnostic test accuracy research	44
Risk of fetal loss following amniocentesis or chorionic villus sampling in twin pregnancy: systematic review and meta‐analysis	43
ISUOG Practice Guidelines (updated): performance of 11–14‐week ultrasound scan	43
Counseling in maternal–fetal medicine: SARS‐CoV‐2 infection in pregnancy	43
Performance of IOTA Simple Rules, Simple Rules risk assessment, ADNEX model and O‐RADS in differentiating between benign and malignant adnexal lesions in North America	42