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The March issue of Ultrasound in Obstetrics & Gynecology includes a systematic review evaluating the applications of artificial intelligence to ultrasound imaging for benign gynecological disorders, a study reporting the predictive performance of angiogenic factors alone or in combination with ultrasound Doppler criteria for adverse perinatal outcome, a study on the association of maternal body mass index with hemodynamic and vascular alterations at 35–37 weeks' gestation, and a cross-sectional study assessing the impact of deep or ovarian endometriosis on pelvic pain and quality of life.

The February issue of Ultrasound in Obstetrics & Gynecology includes a systematic review on the accuracy of cell-free fetal DNA in detecting chromosomal anomalies in twin pregnancy, an evaluation of the 36-week scan for diagnosis and outcome of abnormal fetal presentation, a MATERA study reporting the use of maternal ophthalmic artery Doppler indices as a predictor for pre-eclampsia and a consensus opinion providing a systematic methodology for ultrasonographic assessment of lymph nodes to assess the extent of gynecological malignancy. This issue also features the newly updated ISUOG Practice Guidelines on the role of ultrasound in twin pregnancy.

The January issue of Ultrasound in Obstetrics & Gynecology includes a systematic review on the accuracy of cell-free fetal DNA in detecting chromosomal anomalies in women experiencing miscarriage, a study evaluating the predictive performance of the 36-week scan for small-for-gestational age, a Delphi consensus study reporting the critical procedural steps for intrauterine transfusion and a cost-effectiveness study assessing the clinical value of preimplantation genetic testing for aneuploidy.

The December issue of Ultrasound in Obstetrics & Gynecology includes a systematic review on the management and outcome of fetal abdominal cyst in the first trimester, a Danish cohort study on the validation of Fetal Medicine Foundation charts for fetal growth in twin pregnancies, a study comparing biparietal diameter vs crown–rump length for late first-trimester pregnancy dating and a pilot study evaluating the use of the two-step International Ovarian Tumor Analysis group strategy for classifying adnexal masses identified in pregnancy.

The November issue of Ultrasound in Obstetrics & Gynecology includes a systematic review on the postnatal outcome of fetal cortical malformations, an intermanufacturer assessment on the predictive performance of angiogenic ratio vs glycosylated fibronectin for pre-eclampsia, a Delphi consensus study with a core outcome set on the management of fetal lower urinary tract obstruction and a study characterizing the appearance of uterine perivascular epithelioid cell tumors on ultrasound using standardized terminology.

The October issue of Ultrasound in Obstetrics and Gynecology includes a systematic review on the timing of induction of labor in suspected macrosomia, a randomized controlled trial on improving the performance of inexperienced ultrasound operators using an artificial intelligence training system, a nationwide cohort study on the use of combined first-trimester screening and invasive diagnostics for detection of atypical chromosomal aberrations and a study assessing the impact of uterine fibroids on non-informative cell-free DNA screening results.

The September issue of Ultrasound in Obstetrics & Gynecology includes a systematic review on maternal prepregnancy weight as an independent risk factor for congenital heart defect, a prospective study of cardiovascular adaptation in women with previous pregnancy complicated by a hypertensive disorder, an analysis of the discriminative performance of the ADNEX model and IOTA two-step strategy for adnexal masses in a low-risk population and a study assessing postnatal outcome following fetal aortic valvuloplasty for critical aortic stenosis.

The August issue of Ultrasound in Obstetrics & Gynecology includes a systematic review on the role of ultrasound in the detection of lymph-node metastasis in gynecological cancer, a study on the influence of ethnicity and socioeconomic deprivation on adverse pregnancy outcomes, a prospective analysis of the screening performance of increased nuchal translucency before 11 weeks’ gestation for adverse pregnancy outcome and a study investigating the need for individualization of levator–urethra gap measurement for diagnosis of levator avulsion.

The July issue of Ultrasound in Obstetrics & Gynecology includes a systematic review on the detection of non-cardiac fetal anomalies at the 11–14-week scan, a study proposing an artificial intelligence model for detection of coarctation of the aorta, a longitudinal analysis of levator ani muscle avulsion after vaginal delivery and a study of cardiovascular function in children from hypertensive pregnancy.

The June issue of Ultrasound in Obstetrics & Gynecology includes a systematic review on the trimester-specific diagnostic performance of ultrasound in placenta accreta spectrum, a neuroimaging study investigating brain injury in pregnancies with twin–twin transfusion syndrome, a longitudinal evaluation of cervical stiffness in women who undergo spontaneous preterm delivery and a study comparing the characteristics of ovarian and tubal ectopic pregnancies.

The May issue of Ultrasound in Obstetrics & Gynecology includes a randomized controlled trial on the effect of docosahexaenoic acid supplementation on fetal ductal constriction, a systematic review and meta-analysis examining the performance of externally validated risk-prediction models for pre-eclampsia, a cohort study delineating the ultrasound features of benign and malignant mesenchymal uterine tumors and a study comparing the performance of different fetal weight charts and definitions of fetal growth restriction in predicting adverse outcome. 

The April issue of Ultrasound in Obstetrics & Gynecology includes a systematic review on the diagnostic performance of prenatal ultrasound in coarctation of the aorta, a nationwide cohort study on the outcome of multifetal reduction in quadruplet pregnancy, a study validating the IETA-1 model for intracavitary uterine pathology in women without abnormal uterine bleeding and a summary of the findings of a systematic review on cervical cerclage in twin pregnancy.

The March issue of Ultrasound in Obstetrics & Gynecology includes a systematic review evaluating the yield of prenatal exome sequencing in agenesis of the corpus callosum, a study comparing singleton and twin growth charts in the prediction of neonatal morbidity in twin pregnancy, a prospective study updating the M6 risk-prediction model in pregnancy of unknown location and an analysis of a new machine-learning model for predicting first-trimester pre-eclampsia in a Latin American population.

The February issue of Ultrasound in Obstetrics & Gynecology includes a systematic review evaluating adverse perinatal outcome in dichorionic twin pregnancy complicated by selective fetal growth restriction, a study deriving chorionicity-specific reference ranges for fetal growth in twin pregnancy, an analysis of emergency Cesarean delivery in placenta previa and placenta accreta spectrum and an evaluation of the diagnostic test accuracy of a standardized transvaginal examination for deep endometriosis of the uterosacral ligaments and torus uterinus.

The January issue of Ultrasound in Obstetrics & Gynecology includes a systematic review exploring the value of whole-genome sequencing in the diagnosis of congenital anomalies, a randomized controlled trial investigating the utility of visual biofeedback during the second stage of labor in facilitating maternal pushing, a study on the diagnosis of superficial endometriosis using transvaginal ultrasound, and a study demonstrating the potential of deep learning in improving fetal heart screening. This issue also features the new ISUOG Practice Guidelines on the performance of third-trimester obstetric ultrasound scan.

The December issue of Ultrasound in Obstetrics & Gynecology includes a systematic review collating the current evidence on prenatal diagnosis and perinatal outcome of congenital knee dislocation, a multicenter study proposing a new model for prediction of adverse outcome in extremely preterm growth-restricted fetuses requiring early delivery, a large regional study evaluating the role of SARS-CoV-2 infection as a cause of fetal death, a study assessing the impact of choroid plexus size in cases with an abnormal closure of the fourth ventricle, and a prospective study demonstrating the potential of photoacoustic imaging in improving O-RADS risk assessment of adnexal lesions. Also in the issue, we celebrate the award winners announced at the 33rd World Congress on Ultrasound in Obstetrics and Gynecology and thank all contributors to the Journal’s peer-review process in 2023.

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.