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The October issue of Ultrasound in Obstetrics & Gynecology includes a systematic review evaluating the incidence and predictive factors of obstetric anal sphincter injury in primiparous women, a study providing preliminary evidence supporting the feasibility and efficacy of prenatal open spina bifida repair in twin pregnancy and two studies assessing the utility of glycosylated fibronectin as a new biomarker for pre-eclampsia screening in mixed and Asian populations. The issue also features a study demonstrating the efficacy and safety of in-utero treatment of sustained fetal supraventricular arrhythmia in late preterm and term fetuses and an accompanying Editorial on the topic.

Read the newly updated ISUOG Practice Guidelines on the performance of fetal cardiac screening.

The September issue of Ultrasound in Obstetrics & Gynecology includes a systematic review examining the impact of concurrent selective fetal growth restriction on the outcome of pregnancies with twin–twin transfusion syndrome following laser surgery, a study investigating the prevalence, pathophysiology and impact of a midline cystic structure recently reported in some fetuses with open spina bifida, a prospective study aiming to determine the best strategy for prediction of hypertensive disorders at 36 weeks’ gestation, and a large study of 25,329 patients evaluating the effect of reproductive history on the outcome of in-vitro fertilization.

Don't miss your chance to get reduced registration fees for our flagship World Congress event in Seoul this October. There are only two weeks left to register before the early bird deadline on August 16th.

The August issue of Ultrasound in Obstetrics & Gynecology includes a systematic review of studies developing reference charts for fetal biometry of the corpus callosum, a large study investigating the implication of third-trimester screening accuracy for small-for-gestational age and additive value of third-trimester growth-trajectory indicators in predicting severe adverse perinatal outcome in low-risk pregnancies, a study on diagnostic sonographic features and management of intramural pregnancy, and a study proposing markers for first-trimester prediction of ventriculomegaly.

The July issue of Ultrasound in Obstetrics & Gynecology includes a systematic review investigating the prevalence of adenomyosis in women with subfertility, a review focusing on the definition of the uterine junctional zone and its appearance in adenomyosis, a study proposing sonographic descriptors for instant diagnosis of 20 major fetal anomalies and a population-level study evaluating the incidence, risk factors and timing of pregnancy loss in major congenital heart disease.

The June issue of Ultrasound in Obstetrics & Gynecology includes a prospective study investigating the applicability of the Fetal Medicine Foundation screening algorithm to pre-eclampsia screening in Denmark, a study evaluating the clinical value of expanded non-invasive prenatal screening compared with chromosomal microarray analysis, a systematic review examining the impact of fetal endoscopic tracheal occlusion in cases with congenital diaphragmatic hernia according to disease severity, and a study comparing the outcome following selective termination of the presenting twin vs non-presenting twin. This issue also includes the newly updated ISUOG Practice Guideline on the performance of fetal cardiac screening.

The May issue of Ultrasound in Obstetrics & Gynecology includes a systematic review investigating the outcome following early vs late selective termination in dichorionic twin pregnancies, a prospective study aiming to estimate the prevalence of endometriosis using transvaginal ultrasound, a study proposing new criteria for predicting outcome in cases of tricuspid valve dysplasia and Ebstein’s anomaly using fetal tricuspid regurgitation waveform analysis, and a large prospective midgestation study examining cardiac function and morphology of fetuses conceived via in-vitro fertilization. The May issue also features a randomized controlled trial evaluating the impact of predictive information regarding the likely outcome of pregnancy on psychological wellbeing of women with a pregnancy of uncertain viability during the waiting period to final diagnosis.

Read the newly updated ISUOG Practice Guidelines on the performance of fetal MRI.

This document aims to provide guidance for healthcare practitioners performing, or planning to perform, pregnancy scans at 11 + 0 to 14 + 0 weeks.

The January issue of Ultrasound in Obstetrics & Gynecology includes a systematic review and meta-analysis investigating perinatal outcome following blastocyst- vs cleavage-stage embryo transfer, two multicenter studies on cytomegalovirus infection in pregnancy, and a follow-up study of a multicenter trial, which is the first to report on the long-term mortality and morbidity of cases receiving transplacental treatment for fetal supraventricular tachyarrhythmia. This issue also includes the newly updated ISUOG Practice Guideline on the performance of first-trimester ultrasound scan.

The December issue of Ultrasound in Obstetrics & Gynecology includes a prospective study investigating the utility of a machine-learning-based model for predicting pre-eclampsia, two studies on anal sphincter trauma and a study comparing fetal and neonatal sonographic parameters of brain ventricular size. Also in the issue are the first systematic review and meta-analysis to report on the incidence of congenital heart disease in fetuses with premature atrial contractions and an accompanying Editorial by Julene Carvalho proposing a systematic management protocol for cases with rhythm irregularities.

ISUOG's Visual Encyclopedia (VISUOG) chapter on Cervical Teratomas is open access this December. This month we have a discount code to become an ISUOG member and view VISUOG for an entire year.

The November issue of Ultrasound in Obstetrics & Gynecology includes a systematic review and meta-analysis collating evidence on the performance of magnetic resonance imaging and ultrasound in detecting cervical and deep myometrial invasion in endometrial cancer, a multicenter study reporting on the incidence, clinical features and perinatal outcome of anomalous fetuses with late-onset growth restriction, and two studies on open spina bifida, focusing on prenatal treatment and the relationship between white matter development and motor deficits in the affected cases.

The September issue of Ultrasound in Obstetrics & Gynecology includes a systematic review and meta-analysis presenting unexpected findings regarding the relationship between severe smallness and perinatal outcome, a State-of-the-Art Review that collates the most up-to-date evidence on diagnostic tools for endometriosis, and a multicenter, prospective study demonstrating the value of third-trimester ultrasound for diagnosing clinically significant placenta accreta spectrum disorders. Additionally, the new issue features two novel studies on North American populations and an accompanying Editorial shedding light on the sociodemographic barriers to prenatal detection of congenital heart disease and their impact on women’s reproductive choices and perinatal outcome.

The August issue of Ultrasound in Obstetrics & Gynecology includes a multicenter study developing and validating radiomics models to predict high-risk endometrial cancer, a prospective study providing insight into ultrasound features observed in asymptomatic women with endometrial pathology, and a systematic review and meta-analysis investigating the true incidence and outcomes of brain abnormality in surviving children following laser surgery for twin-to-twin transfusion syndrome. The August issue also features two novel studies providing complementary evidence supporting the role of uteroplacental dysfunction in preterm birth and discussing the potential of placental biomarkers in the prediction of preterm delivery in the first trimester. This month also sees the release of an Early View version of ISUOG Practice Guidelines on the role of ultrasound in the prediction of spontaneous preterm birth.

Read the newly updated ISUOG Practice Guidelines on how to perform the routine mid-trimester fetal ultrasound scan.

The June issue of Ultrasound in Obstetrics & Gynecology includes a systematic review and meta-analysis evaluating the diagnostic performance of exome sequencing in fetuses with multisystem malformations, a comprehensive study evaluating the cost-effectiveness of strategies for prevention of preterm birth and a study presenting a new algorithm for stratification of monochorionic twin pregnancies with Type-III sFGR according to fetal death risk. Also in the issue are a nationwide study on postnatal outcome of late-preterm twins in South Korea and an accompanying Editorial on the optimal timing of delivery in twin pregnancies. Finally, in this issue, look out for the newly updated ISUOG Guidelines for the performance of the routine mid-trimester fetal scan and an Opinion providing recommendations for fetal cardiac imaging in patients with degraded acoustic windows.

To mark Pre-eclampsia Awareness Month, the May issue of Ultrasound in Obstetrics & Gynecology includes a series of research papers investigating the impact of pre-eclampsia on maternal health and potential biomarkers of the disorder. The issue also includes a systematic review and a retrospective study on the outcome of patients with aortic stenosis following fetal aortic valvuloplasty, a prospective study evaluating genetic causes of skeletal system abnormalities and a study validating IOTA models and O-RADS tool for preoperative assessment of adnexal lesions in a North American population.

The February issue of Ultrasound in Obstetrics & Gynecology includes a systematic review evaluating the postnatal outcome of fetuses with a rare diagnosis of apparently isolated agenesis of the septum pellucidum, an intriguing study assessing the risk of miscarriage in twin pregnancy following chorionic villus sampling using a statistical approach that simulates a RCT and a new study on COVID-19, investigating predictors of adverse outcome in affected pregnancies. The issue also includes the first prospective study to compare ultrasound, CT and a novel technique, whole-body diffusion-weighted MRI, for preoperative assessment of advanced ovarian cancer and an updated meta-analysis on the efficacy of vaginal progesterone for the prevention of adverse outcome in women with twin pregnancy and a short cervix.