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25 lip 2023 · Since ultrasonography and transvaginal sonography in early pregnancy, vanishing twin syndrome is more frequently diagnosed. Vanishing twin syndrome is evaluated to happen in 36% of twin pregnancies and in half of the pregnancies that begins with at least three or more gestational sacs.
18 lis 2015 · Ultrasound assessment of fetal biometry, anatomy, Doppler velocimetry and amniotic fluid volume is used to identify and monitor twin pregnancies at risk of adverse outcomes such as twin-to-twin transfusion syndrome (TTTS) and fetal growth restriction (FGR).
12 maj 2022 · Vanishing twin syndrome (VTS) is a miscarriage that causes a pregnancy involving twins to become a pregnancy involving one embryo. It occurs when one of the embryos detected during an ultrasound stops developing. VTS can’t be treated or prevented.
1 lis 2022 · The diagnosis of VTS is based on two sequential ultrasonic examinations, the first at 6–7 weeks demonstrating a twin gestation and the second near the end of the first trimester presenting a single fetus with cardiac activity.
Nowadays, in most cases, the first obstetric ultrasound scan is performed between 6 weeks and 8 weeks so that most twin pregnancies with VTS are identified even when they affect only the gestational sac.
Ultrasound assessment of fetal biometry, anatomy, Doppler velocimetry and amniotic fluid volume is used to identify and monitor twin pregnancies at risk of adverse outcomes such as twin-to-twin transfusion syndrome (TTTS) and fetal growth restriction (FGR).
22 sie 2018 · In this review, we summarise the latest evidence relating to ultrasound surveillance of twin pregnancies including first trimester assessment and screening, growth surveillance and the detection and management of the complications of monochorionic pregnancies including twin-to-twin-transfusion syndrome, selective fetal growth restriction, twin ...
