The presence of a "T-sign" at the inter-twin membrane-placental junction is indicative of monochorionic-diamniotic twins (that is, the junction between the inter-twin membrane and the …

Aug 2, 2022 · T-sign of the intertwin membrane; Second and third trimesters. Findings noted on a second-trimester scan include: the number of placental masses, thickness of the membrane, …

In addition to complications such as preterm labor and preterm delivery that all twins face, MCDA twins are at risk for complications specific to a shared blood supply. Circulatory imbalance …

Jul 17, 2024 · In 1 study, when observed in the first trimester along with a single placental mass, the “T” sign had a sensitivity of nearly 100% and specificity of 98% for identifying MCDA twin …

Monochorionic diamniotic (MCDA) twins are only separated by the two thin layers of the amnion which is said to give the appearance of a “T” and is known as the “T-sign” and is less than 2 …

Aug 17, 2022 · T sign: thin intertwin membrane single placental mass (note, however, that most dichorionic pregnancies have placental masses that abut each other and can be often …

3 days ago · Hence, in the case of MC twins, it is possible to accurately determine whether it is MCDA or MCMA twins. T sign in Monochorionic Diamniotic (MCDA) twins Lambda sign in …

Feb 11, 2025 · T-Sign: A thin membrane inserting directly into the placenta at a right angle, creating a “T” appearance. Membrane Thickness: <2 mm. Complications: Twin-to-Twin …

May 12, 2023 · The T sign is really the absence of a twin peak sign (or lambda (λ) sign) and is used in ultrasound assessment of a multifetal pregnancy. It refers to the lack of chorion …

Nov 16, 2016 · Monochorionic twin pregnancies have a single placental mass and a thin inter-twin membrane that inserts into the placenta at a perpendicular plane (T-sign). In contrast, …