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Multiple pregnancy
Sep 02, 2025 Current UOG issue

September 2025 UOG Highlights

The September issue of Ultrasound in Obstetrics & Gynecology includes a systematic review evaluating the impact of endometrial thickness on the reproductive outcomes of embryo transfer treatments, a cost-utility analysis modeling the clinical and economic impact of cervical-length screening strategies among twin pregnancies, a study on the association between adverse perinatal outcome and the recent parvovirus B19 infection upsurge, a study comparing the diagnostic accuracy of sonography-based risk models in assessing pediatric adnexal lesions, and a ‘How To’ article on the 20 + 2-planes method.

Jan 16, 2025 Practice Guidelines

Updated ISUOG Practice Guidelines: role of ultrasound in twin pregnancy

This guidance will address the role of ultrasound in the care of uncomplicated twin pregnancies and those complicated by TTTS, selective FGR (sFGR), twin anemia–polycythemia sequence (TAPS), twin reversed arterial perfusion (TRAP) sequence, conjoined twins and single intrauterine death (IUD).

Jan 16, 2025 UOG Videos

Updated ISUOG Practice Guideline: Role of ultrasound in twin pregnancy

Watch the presentation by Prof. Asma Khalil summarising the key recommendations and supporting evidence of the updated ISUOG Practice Guideline on the role of ultrasound in twin pregnancy.

Jan 16, 2025 Journal news

Newly updated ISUOG Practice Guidelines: role of ultrasound in twin pregnancy

Read the newly updated ISUOG Practice Guidelines on the role of ultrasound in twin pregnancy.

Dec 02, 2024 Journal highlights

December 2024 UOG Highlights

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.

Oct 02, 2024 ISUOG news

VISUOG Chapter on Chorionicity and Amnionicity in Multifetal Pregnancies is Free to Access Throughout October

Multiple pregnancies account for 2-3% of live births and involve the presence of more than one fetus in the uterus, presenting unique challenges for both maternal and fetal health. Chorionicity refers to the number of placentas, while amnionicity describes the number of amniotic sacs.

Sep 02, 2024 ISUOG news

VISUOG Chapter on Twin Anemia Polycythemia Sequence (TAPS) is Free to Access Throughout September

Twin Anemia Polycythemia Sequence (TAPS) is a relatively rare but potentially severe fetal condition that occurs in monochorionic twin pregnancies.

Aug 27, 2024 ISUOG news

A Trio of Webinars in Multiple Languages

This autumn, ISUOG (International Society of Ultrasound in Obstetrics and Gynecology) will host a series of webinars in various languages aimed at engaging healthcare professionals involved in ultrasound who speak Portuguese, French, and/or Spanish.

Apr 03, 2024 Journal highlights

April 2024 UOG Highlights

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.

Feb 02, 2024 Journal highlights

February 2024 UOG Highlights

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.

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