Dichorionic diamniotic twins - intertwin membrane

Case contributed by Dr Alexandra Stanislavsky


Antenatal scan at 12 weeks

Patient Data

Gender: Female

The placenta is seen insinuating between the layers of the membrane at its edges ( twin peak sign), a finding that is suggestive of a dichorionic gestation.

Case Discussion

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Selected images demonstrate the appearance of intertwin membrane in a dichorionic diamniotic twin pregnancy at 12 weeks gestation.


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Case information

rID: 13492
Published: 17th Apr 2011
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included

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