First-trimester ultrasound examination and the outcome of monochorionic twin pregnancies

2007 ◽  
Vol 27 (10) ◽  
pp. 922-925 ◽  
Author(s):  
A. El Kateb ◽  
B. Nasr ◽  
M. Nassar ◽  
J. P. Bernard ◽  
Y. Ville
Keyword(s):  
Ultrasound Examination ◽  
First Trimester ◽  
Monochorionic Twin ◽  
Twin Pregnancies ◽  
First Trimester Ultrasound

When diamniotic twins suddenly become monoamniotic twins: spontaneous septostomy of the dividing membrane

2021 ◽  
Vol 14 (7) ◽  
pp. e243513
Author(s):  
Angela Vidal ◽  
Cristina Nastasia ◽  
Markus Hodel ◽  
Joachim Kohl
Keyword(s):  
Twin Pregnancy ◽  
Rare Condition ◽  
First Trimester ◽  
Sonographic Diagnosis ◽  
Sudden Failure ◽  
Reliable Diagnosis ◽  
Accepted Standard ◽  
Perinatal Management ◽  
Twin Pregnancies ◽  
First Trimester Ultrasound

In twin pregnancies, amnionicity and chorionicity are crucial as they strongly determine prenatal and perinatal management. First trimester ultrasound allows a highly reliable diagnosis of amnionicity and chorionicity, making it an internationally accepted standard in antenatal care. However, in rare cases, amnionicity can change from diamniotic to monoamniotic throughout pregnancy, substantially impacting perinatal management. We report the case of a confirmed monochorionic diamniotic twin pregnancy with a diagnosis of spontaneous septostomy of the dividing membrane (SSDM) at 28 weeks of gestation, resulting in a pseudomonoamniotic pregnancy. Even though SSDM is a rare condition and its sonographic diagnosis might be challenging, it should be considered if, in a known diamniotic pregnancy, there is a sudden failure to visualise the intertwin membrane truly separating both twins.

OP11.02: Sensitivity of first trimester ultrasound in detecting fetal structural malformations in twin pregnancies

2014 ◽  
Vol 44 (S1) ◽  
pp. 93-93
Author(s):  
F. D'Antonio ◽  
M. Morlando ◽  
A. Khalil ◽  
A.T. Papageorghiou ◽  
B. Thilaganathan ◽  
...  
Keyword(s):  
First Trimester ◽  
Twin Pregnancies ◽  
First Trimester Ultrasound

scholarly journals Sensitivity of first-trimester ultrasound in the detection of congenital anomalies in twin pregnancies: population study and systematic review

2016 ◽  
Vol 95 (12) ◽  
pp. 1359-1367 ◽  
Author(s):  
Francesco D'Antonio ◽  
Alessandra Familiari ◽  
Basky Thilaganathan ◽  
Aris T. Papageorghiou ◽  
Lamberto Manzoli ◽  
...  
Keyword(s):  
Systematic Review ◽  
Population Study ◽  
Congenital Anomalies ◽  
First Trimester ◽  
Twin Pregnancies ◽  
First Trimester Ultrasound

scholarly journals Dicephalus Parapagus Conjoined Twins Diagnosed by First-Trimester Ultrasound

2016 ◽  
Vol 2016 ◽  
pp. 1-2
Author(s):  
Keiko Watanabe ◽  
Masanori Ono ◽  
Mayu Shirahashi ◽  
Toshiyuki Ikeda ◽  
Kazumi Yakubo
Keyword(s):  
Prenatal Diagnosis ◽  
First Trimester ◽  
Conjoined Twins ◽  
Ultrasound Diagnosis ◽  
Optimal Management ◽  
Prenatal Counseling ◽  
Monochorionic Twin ◽  
The Family ◽  
Pregnancy And Delivery ◽  
First Trimester Ultrasound

Conjoined twins are a rare phenomenon, occurring in 1% of monochorionic twin gestation, with an incidence of 1 : 50 000 to 1 : 100 000. Many conjoined twins have abnormalities incompatible with life, so early prenatal diagnosis is very important for optimal management of both pregnancy and delivery. We report a case of dicephalus parapagus conjoined twins, sharing a single heart, diagnosed at 12 weeks’ gestation. With early ultrasound diagnosis, we were able to provide appropriate and timely prenatal counseling to the family.

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