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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.

The April issue of Ultrasound in Obstetrics & Gynecology includes a systematic review evaluating the safety and effectiveness of prenatal valacyclovir therapy in prevention and treatment of congenital cytomegalovirus infection, a large population-based study investigating the link between birth-weight centile and school performance, a prospective longitudinal study providing reference ranges for uterine artery pulsatility index across gestation and a Delphi consensus study focusing on ultrasound in the prenatal evaluation and management of patients at high risk of placenta accreta spectrum at delivery.

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

ISUOG's Visual Encyclopedia (VISUOG) chapter on Doppler assessment in twin pregnancies is open access this February. Enjoy a 10% discount on ISUOG membership and view VISUOG for an entire year

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 October issue of Ultrasound in Obstetrics & Gynecology includes a systematic review and meta-analysis providing the most up-to-date evidence on the performance of the sliding sign for detecting pouch of Douglas obliteration and bowel involvement in patients with endometriosis, the first study to investigate the diagnostic yield of whole-genome sequencing for non-immune hydrops fetalis, a study investigating the optimal method for selective fetal reduction in complicated monochorionic pregnancies, and a study evaluating the diagnostic test accuracy of magnetic resonance imaging and pelvic floor ultrasound for diagnosis of levator ani muscle avulsion. Additionally, the October issue features the latest research on the impact of pre-eclampsia on the maternal brain, including its detrimental effects on functional organization of the brain and integrity of the blood–brain barrier, detectable years after the complicated pregnancy.

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 new ISUOG Practice Guidelines on the role of ultrasound in the prediction of spontaneous preterm birth.

The July issue of Ultrasound in Obstetrics & Gynecology includes a systematic review and meta-analysis evaluating perinatal outcome of triplet pregnancies following fetoscopic laser surgery for twin–twin transfusion syndrome, a new study exploring the role of ophthalmic artery Doppler in the prediction of pregnancy complications, a prospective study comparing fetal growth in IVF/ICSI pregnancies following frozen–thawed vs fresh blastocyst transfer and a Delphi study providing revised definitions of the MUSA features of adenomyosis. This issue also includes an Opinion providing an overview of our current understanding of monkeypox infection in pregnancy and recommendations for the management of suspected or confirmed cases.

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 International Cesarean Awareness Month, the April issue of Ultrasound in Obstetrics & Gynecology includes a series of research papers and expert opinions on the topics of abnormally adherent placenta and Cesarean scar pregnancy. The issue also includes a study investigating predictors of fetal cerebral ischemic injury in monochorionic twin pregnancy complicated by spontaneous single intrauterine demise, a large prospective study reporting ophthalmic artery Doppler findings in non-hypertensive pregnancies with small-for-gestational-age or growth-restricted fetus, a multicenter study on the use of clinical phenotypes of small-for-gestational age for risk stratification and a short report demonstrating the positive impact of vaccination on maternal outcome during the Omicron wave of the COVID-19 pandemic.

The March issue of Ultrasound in Obstetrics & Gynecology includes a study validating a novel artificial intelligence tool for detecting CNS abnormalities and a study evaluating fetal growth patterns in monochorionic twin pregnancies complicated by Type-III selective fetal growth restriction. To coincide with Endometriosis Awareness Month, this issue also features a large prospective multicenter study evaluating the accuracy of ultrasound for detection of ovarian and deep endometriosis using #Enzian classification. Also, look out for the recently accepted State-of-the-Art Review on the strengths and limitations of diagnostic tools for endometriosis by an international group of experts in the field of endometriosis research.

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.

The November issue of Ultrasound in Obstetrics & Gynecology includes a systematic review identifying perinatal risk factors for neurodevelopmental impairment after laser surgery for twin–twin transfusion syndrome, a study showing a reduction in the rate of preterm birth during COVID-19 pandemic restriction measures in Melbourne, Australia, a cost-effectiveness analysis demonstrating a reduction in disease prevalence and health-service costs associated with a model of first-trimester prediction and prevention of preterm pre-eclampsia, and a secondary analysis of a RCT finding no difference in psychological response to early miscarriage and treatment satisfaction after expectant management vs misoprostol treatment.

The July issue of Ultrasound in Obstetrics & Gynecology includes a study on the risk of fetal loss after chorionic villus sampling in twin pregnancy, a study on the prenatal sonographic manifestation of esophageal atresia with or without tracheoesophageal fistula, a study on the effect of elective induction of labor at 39 weeks on children’s educational outcomes, and a Consensus Statement from ESGO/ISUOG/IOTA/ESGE on the preoperative diagnosis of ovarian tumors.

The June issue of Ultrasound in Obstetrics & Gynecology includes a consensus opinion from the VITA group on terms, definitions and measurements to describe the sonographic features of lymph nodes, a debate on the relative merits of the SMFM and ISUOG guidelines for diagnosing and managing fetal growth restriction, a State-of-the-Art Review on controversies in the management of twin pregnancy, and a RCT on routine third-trimester ultrasound for the detection of small-for-gestational age in low-risk pregnancies.

The April issue of Ultrasound in Obstetrics & Gynecology includes a State-of-the-Art Review on ultrasound imaging of slings and meshes in urogynecology, a study finding that women with advanced pelvic organ prolapse and levator ani muscle avulsion would benefit from mesh repair surgery, a registry study on the pregnancy and neonatal outcomes of COVID-19, a study on perinatal outcome after planned vaginal delivery in monochorionic compared with dichorionic twin pregnancy, and newly updated ISUOG Practice Guidelines (Part 2) on the performance of targeted neurosonography.

The September issue of Ultrasound in Obstetrics & Gynecology includes a series of papers on the fetal brain, including a study on the role of prenatal magnetic resonance imaging in fetuses with isolated mild or moderate ventriculomegaly and updated ISUOG Practice Guidelines on the sonographic examination of the fetal central nervous system (Part 1), as well as a study and accompanying video abstract on the treatment and outcome of 370 cases with spontaneous or post-laser twin anemia–polycythemia sequence managed in 17 fetal therapy centers, a study on the use of pregnancy-associated plasma protein-A, placental growth factor or both for first-trimester pre-eclampsia screening, and a study on transrectal high-intensity focused ultrasound for management of rectosigmoid deep infiltrating endometriosis.

11-13周常规超声检查对双胎胎儿出生缺陷的诊断

Diagnostico de defectos fetales en embarazos gemelares al examen ultrasonográfico de rutina a las 11–13 semanas