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The November issue of Ultrasound in Obstetrics & Gynecology includes a systematic review evaluating the incidence of urological complications in women undergoing Cesarean section for placenta accreta spectrum disorders, a study proposing a new marker to facilitate identification of fetuses with agenesis of the corpus callosum, and two studies providing evidence of an association between epidural analgesia and increased risk of emergency delivery for fetal compromise. The potentially significant impact of the findings of the latter two studies are countered in an accompanying Editorial by Cavoretto and colleagues and in a series of Correspondence articles.

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.

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.

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.

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.

The March issue of Ultrasound in Obstetrics & Gynecology includes a study evaluating the cost-effectiveness of performing an ultrasound assessment before cell-free DNA analysis for fetal aneuploidy screening, a study investigating the impact of prenatal exome sequencing on perinatal outcome, a prospective study assessing the potential of lower uterine segment thickness in identifying women at risk of Cesarean delivery following labor induction, and a systematic review and meta-analysis assessing the diagnostic accuracy of individual ultrasound signs for detecting adnexal torsion.

The February issue of Ultrasound in Obstetrics & Gynecology includes a systematic review and meta-analysis investigating neonatal and long-term outcomes of pregnancies with cytomegalovirus infection and negative amniocentesis, a national cohort study exploring the association of cerebral palsy with placental and umbilical cord disorders, and a systematic review of studies reporting on maternal and perinatal outcomes of pregnancies complicated by poxvirus infections, including monkeypox. Also in the issue are a new study from the IOTA collaboration describing a novel strategy allowing to reliably discriminate between benign and malignant ovarian tumors and an accompanying Editorial on the topic by Prof. Davor Jurkovic. Finally, the February issue includes the newly updated ISUOG Practice Guideline on the performance of fetal magnetic resonance imaging.

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.

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 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 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.

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 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.

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.