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A member asked:
What does it mean if twins are dichorionic-diamniotic?
3 doctors weighed in across 2 answers
Separate sacs: The amniotic sac is actually made of 2 fused membrane layers, the chorion and amnion. Dichorionic diamniotic twins each have a separate placenta with their own two layer sac. Fraternal twins are almost always dichorionic diamniotic because they develop from separate eggs. Identical twins can be dichorionic diamniotic if the fertilized egg splits very early after fertilization.
Answered 7/10/2018
6.6k views
See below: A dichorionic diamniotic (dcda) twin pregnancy is a type of twin pregnancy where each twin has its own chorionic and amnionic sacs.
Answered 10/20/2019
4.9k views
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