Twinning Flashcards
1
Q
What events can lead to the formation of dichorionic diamnionic twins?
A
2 eggs fertilized separately
Division of conceptus by day 3
2
Q
What event leads to monochorionic diamniotic twins?
A
Division of conceptus between 4-8 days
3
Q
Can monochorionic diamniotic twins result from a dizygotic pregnancy?
A
No
4
Q
What event leads to a monochorionic monoamniotic twins?
A
Division of conceptus between 8-12 days
5
Q
If division of the conceptus occurs after 12 days post conception, what is the result?
A
Monochorionic
Monoamniotic
Conjoined twins
6
Q
Twin-Twin transfusion Syndrome effects what type of twins?
A
Mo/di
