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Read the top 10 research articles that attracted the most attention in traditional and social media, as measured by Altmetric score, published in UOG in 2020.

The January 30th anniversary special issue of Ultrasound in Obstetrics & Gynecology is out now!

New ISUOG Practice Guidelines provide definitions of fetal growth restriction and small-for-gestational age, and describe the best possible management options based on current data and knowledge.

The novel coronavirus disease (COVID‐19) is a global public health emergency. There are concerns relating to the impact of SARS-CoV-2 infection on pregnant women and their fetuses, and patient management in the context of COVID-19 poses a challenge. This Virtual Issue compiles the latest research, guidance and opinions published in Ultrasound in Obstetrics and Gynecology on COVID-19 in the obstetric and gynecological settings, including management of infected pregnant women, rationalization of ultrasound services and risk mitigation for both patients and practitioners during the current pandemic.

A new study questions the impact of the Growth Assessment Protocol program on stillbirth rates.

Read the latest article from Ultrasound in Obstetrics & Gynecology on 'Coronavirus in pregnancy and delivery: rapid review' now.

In response to the WHO statements and international concerns regarding the novel coronavirus outbreak, ISUOG has published the following Interim Guidance for management during pregnancy and puerperium in Ultrasound in Obstetrics & Gynecology.

An improved mobile phone app will help identify women who need special treatments at the right time and reduce emotional and financial burden on families and the NHS.

Routine ultrasound examination at 35–37 weeks' gestation may reveal new fetal abnormalities that could not be diagnosed at earlier examinations.

In 2009, the Hypertension and Preeclampsia Intervention Trial At near Term-I (HYPITAT- I) trial showed that inducing labor in women with gestational hypertension or preeclampsia at the end of pregnancy reduces the number of high risk situations for the mother, without compromising the health of newborns. A new analysis evaluated the impact of the HYPITAT-I findings on timing of labor and subsequent outcomes for mother and child in the Netherlands.

Increased Sylvian fissure angle may potentially be a strong indicator for the subsequent development of cortical malformation, finds a new free-access UOG Journal study by Pooh and colleagues.

UOG retains its position as third out of 83 journals in the field of Obstetrics and Gynecology, with an impressive Impact Factor of 5.6. UOG Editor-in-Chief Prof. Anthony Odibo states: “the continued success of Ultrasound in Obstetrics & Gynecology is attributable to the loyalty of our authors, whose high-quality and clinically relevant material we publish, and to the hard work of our editors and reviewers, who improve the work that is submitted. The UOG team would like to thank wholeheartedly the many contributors who have helped to sustain our impressive ranking.”

Since the introduction of ultrasound in the field of urogynecology, its applications have expanded from being focused on evaluation of the bladder and bladder neck to including assessment of obstetric anal sphincter injuries, pelvic organ prolapse, morphological abnormalities of the levator ani and vaginal wall mesh implants. This new Virtual Issue from Ultrasound in Obstetrics & Gynecology presents a selection of recent papers reporting on these topics, including on the use of 3D and 4D ultrasound and pregnancy-related changes in the pelvic floor musculature. These papers are FREE to read for a limited period.

“Although the main cause of fetal megacystis is LUTO, an enlarged fetal bladder can also be present as a concomitant finding of miscellaneous genetic syndromes, developmental disturbances and chromosomal abnormalities" finds new Original Paper by Fontanella and colleagues in the June issue of the UOG Journal.

The performance of cfDNA testing for trisomy 21 in twin pregnancy is similar to that reported in singleton pregnancy and is superior to that of the first-trimester combined test or second-trimester biochemical testing.

The procedure-related risk of miscarriage following chorionic villus sampling or amniocentesis is lower than currently advocated and negligible when compared with controls of similar risk profile, finds free access UOG Journal updated meta-analysis by Salomon et al.

“There is considerable methodological heterogeneity in studies reporting reference ranges for umbilical and middle cerebral artery Doppler indices and cerebroplacental ratio, and the resulting references have important implications for clinical practice” finds new free-access UOG Journal systematic review by Oros and colleagues.

Persistence of hindbrain herniation on MRI 6 weeks after prenatal myelomeningocele repair independently predicted the need for postnatal hydrocephalus treatment better than any ultrasound‐ or other MRI‐derived measurements of ventricular characteristics, finds new free-access UOG Journal study by Zarutskie and colleagues.

The incidence of twin pregnancy is rising, due mainly to advanced maternal age and resultant widespread use of assisted reproductive techniques. It is associated with a high risk of perinatal mortality and morbidity, particularly in monochorionic pregnancy, with complications such as selective fetal growth restriction and twin–twin transfusion syndrome contributing to this risk. This new Virtual Issue from Ultrasound in Obstetrics & Gynecology presents a selection of recent papers reporting on screening, management and prevention of preterm birth in twin pregnancy. These papers are FREE to read for a limited period.