OOIR: Observatory of International Research

Papers

(The H4-Index of Ultrasound in Obstetrics & Gynecology 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 2021-09-01 to 2025-09-01.)

Article	Citations
Issue Information	270
VP44.10: Ultrasound diagnosis of circumvallate placenta and its differentials	186
VP05.19: Sonographic diagnosis of adnexal torsion	153
VP17.03: Prediction of low fetal fraction in maternal blood cell‐free DNA using a machine learning model	132
VP29.06: Prenatal diagnosis of Turner syndrome: locally restricted mosaicism of the placenta and severe cardiac phenotype with low‐level mosaicism 45,X/46,XX	130
VP07.02: Ultrasonographic diagnosis of adenomyosis associated at Müllerian anomalies	113
VP44.05: Comparison of neonatal outcomes of pregnancies with abnormal placentation depending on gestation age at the delivery time	111
VP27.05: Congenital toxoplasmosis associated with severe ventriculomegaly fetus	92
VP06.11: Abstract withdrawn	80
VP10.19: Outcome of prenatal diagnosis of club foot: a single institution experience	79
VP18.03: Objective analysis of shape vector changes in fetuses with cleft lip using statistical shape modelling from three‐dimensional ultrasound	76
VP53.01: Inclusion of ‘3 sign’ as a screening marker of intracranial anomalies in the first trimester: a preliminary observation	68
VP44.27: Ultrasound tramline imaging for evaluation of Caesarean section scar integrity	62
Issue Information	58
VP04.10: Leiomyoma with cystic degenerescence resembling ovarian epithelial neoplasia: an example of uncertain radiological features	55
OC07.09: Sonographic evaluation of optic nerve sheath diameter as an indicator of raised intracranial pressure in pre‐eclamptics in a Nigerian population	55
OC09.04: Application of sonoelastography in differentiating endometrial carcinoma from benign endometrial lesions: a cross‐sectional study	52
VP07.11: Comparison of the efficacy of metformin and inofolic in ovulation induction in patients with resistant polycystic ovarian syndrome	50
VP40.02: Perinatal outcomes in complicated monochorionic pregnancies after umbilical cord occlusion: radiofrequency ablation versus microwave ablation	48
	45
EP39.02: Placental size at gestational week 27 and 37: differences between the intrauterine placental size and the placentas after birth	45
EP26.09: Prenatally detected congenital extra‐adrenal neuroblastoma with literature review	45
EP34.32: PAS diagnosis established prenatally is linked to less use of blood components	44
EP40.18: Medical versus surgical treatment of terminated first trimester pregnancies	43
EP17.12: Prenatal diagnosis of mitral valve dysplasia syndrome: a case report	43

OP01.02: Effect of pelvic organ prolapse surgery on levator hiatal area	42
OP06.12: The impact of diagnostic method on sense of control and powerlessness and social support in endometriosis patients: a retrospective cohort study	40
OP05.07: Placental microvascular architecture by MV‐flow imaging in normal and congenital heart disease pregnancies	40
EP42.21: Abstract withdrawn	40
EP29.17: Prenatal diagnosis of bronchopulmonary sequestration	38
EP21.09: The SAFER technique for fetoscopic open spina bifida repair in twin pregnancies: moving towards a new recommendation for prenatal treatment	38
EP31.10: Fetal neck hyperextension without neck mass: two case reports	38
OP03.01: Abstract withdrawn	38
EP29.08: Outcome of non‐visualisation of fetal gallbladder	37
EP26.07: Abstract withdrawn	37
EP39.07: Fetal growth charts in twin pregnancies: a population study	37
EP42.23: Abstract withdrawn	37