OOIR: Observatory of International Research

Papers

(The H4-Index of Ultrasound in Obstetrics & Gynecology is 36. 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 2021-04-01 to 2025-04-01.)

Article	Citations
Peripheral cord insertion is associated with adverse pregnancy outcome only when accompanied by clinically significant placental pathology	229
Incidence of sex chromosome aneuploidy in a prenatal population: 27‐year longitudinal study in Northern Italy	213
Diffusion tensor imaging of fetal spinal cord: feasibility and gestational‐age‐related changes	147
Prenatally diagnosed pseudoaneurysm of mitral–aortic intervalvular fibrous area	125
	115
Giant left atrial appendage: fetal detection and neonatal surgical resection	108
Photorealistic rendering of fetal faces from raw magnetic resonance imaging data	94
Standardized approach to ultrasound‐guided balloon puncture for reversal of tracheal occlusion in congenital diaphragmatic hernia	92
Examination of fetal Sylvian fissure can and should be performed bilaterally during ultrasound screening	92
Placental lakes vs lacunae: spot the differences	89
Issue Information	73
Evaluation of classic and novel ultrasound signs of placenta accreta spectrum	72
Psychological impact of simple scoring system for predicting early pregnancy outcome in pregnancy of uncertain viability: randomized controlled trial	69
Detection of non‐cardiac fetal abnormalities on ultrasound at 11–14 weeks: systematic review and meta‐analysis	68
Decreased neonatal morbidity in ‘stomach‐down’ left congenital diaphragmatic hernia: implications of prenatal ultrasound diagnosis for counseling and postnatal management	67
OP06.01: Quantitative ultrasound measurement of endometrial waves in adenomyosis versus women with normal uteri: the WAVES study	66
	63
Re: Short‐term outcome of pregnant women vaccinated with BNT162b2 mRNA COVID‐19 vaccine	61
INDIAMAN‐20 (INstant DIAgnosis of 20 Major ANomalies) protocol: application of IOTA diagnostic strategy to fetal anomalies	56
Magnetic resonance imaging and ultrasound examination in preoperative pelvic staging of early‐stage cervical cancer: post‐hoc analysis of SENTIX study	50
EP01.28: Association between ductus venosus pulsatility index and adverse maternal and perinatal outcomes in a cohort of Colombian pregnant women	48
	48
EP07.12: The normal 14‐18 gestational week parasagittal complex of the fetal brain: a 3D transvaginal neurosonographic study	48
EP19.11: Ultrasound criterion for assessing the length of the cervix for predicting the risk of extremely early preterm labour	48
OC07.02: Tensile properties of sutures after exposure to warmed amniotic fluid: implications for fetal surgery*	48

OP04.05: Effect of a Mediterranean diet or stress reduction intervention during pregnancy on fetal brain volume and neonatal development: the IMPACT‐BCN trial	46
OP18.03: Automated detection and measurement of endometrial peristalsis in cine 2D transvaginal ultrasound images by the automatic analysis algorithm	45
EP06.21: Larger but not better: the enlarged cavum septum pellucidum as a sign of genetic abnormalities	42
EP13.36: The predictive utility of shear wave elastography in fetal growth restriction	41
EP24.16: Ectopia cordis in the first trimester	40
EP01.36: Isolated fetal pericardial effusion: a systematic review towards better informed parental counselling	40
EP29.21: Ultrasound‐guided trucut biopsy of pelvic tumours: first reported case series in the Philippines	39
EP14.27: Monochorionic‐monoamniotic asymmetric conjoined twins	37
OP18.01: Transabdominal and transvaginal ultrasonography assessment of the female pelvis in children, adolescents and young adults	37
EP28.06: Human placental trophoblast development revealed by comparing twins with mole and fetus	37
EP06.12: First trimester fetal neurosonography: clinical feasibility and diagnostic performance	37
OP07.09: Long‐term outcomes of percutaneous fetoscopic repair by the SAFER technique	36
OP07.07: Alterations in fetal Doppler parameters before and 24 hours after radiofrequency ablation for twin reversed arterial perfusion sequence	36
EP06.36: Agenesis of the corpus callosum diagnosed at the end of pregnancy	36