Hence more among the monochorionic
diamniotic (MCDA) compared to dichorionic diamniotic (DCDA) twins.
A total of 32 studies were included in the analysis, with 29,685 dichorionic and 5,486 monochorionic
pregnancies in 35,171 women.
As a result, some authors think that foetus in foetu is within the spectrum of abnormalities that can result from the anomalous embryogenesis in a diamniotic monochorionic
The implications of monochorionic
twin pregnancies are significant because fetuses and neonates of monochorionic
gestations account disproportionately to the overall rates of adverse neonatal outcomes and health care expenditures.
The Treatments of TTTs in Monochorionic
Twin Pregnancies by the Fetoscopic Laser Photocoagulation.
Increased perinatal mortality and morbidity in monochorionic
versus dichorionic twin pregnancies: clinical implications of a large Dutch cohort study.
With informed consent, we recruited 8 twin pregnancies, including 4 sets of DCDA twins, 3 sets of monochorionic
diamniotic (MCDA) twins, and 1 set of monochorionic
monoamniotic (MCMA) twins (Table 1).
No significant correlation has yet been demonstrated between the inter-twin MCA PSV difference and discordance in monochorionic
(MC) or dichorionic (DC) twin gestations.
When offering childbirth education to expectant parents of twins, it is vital that the parents be made aware of the symptoms of preterm labor in the second trimester, of chorionicity and the symptoms of monochorionic
complications such as Twin to Twin Transfusion Syndrome (TTTS), and of the importance of discussing with their medical caregiver the timing and mode of their babies' delivery in the third trimester.
More than half of monozygotic multiple births are monochorionic
, which may lead to a greater risk of adverse outcomes than for dizygotic multiple births (Vaag and Poulsen 2007).
Twins coming from only one chorionic membrane can develop in either one or two amniotic sacs and be MZ, monochorionic
and either mono or biamniotic twins.
Chapters are system-based and in a bullet format, with a brief introduction to embryology and discussion of genetic developments, invasive procedures, and common developmental abnormalities and their management, such as Down syndrome and skeletal and body system abnormalities like anterior abdominal wall defects, fetal tumors, growth abnormalities, monochorionic
twins, liquor volume abnormalities, infections, red cell and platelet alloimmunization, placenta and umbilical cord abnormalities, and fetal hydrops.