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Pregnant With Twins

Twins 101: Types Of Twins

Dichorionic, diamniotic, monochorionic, monoamniotic — wondering what it all means? We've broken it down.
Dichorionic Diamniotic

Fraternal or identical twins who have their own placenta and amniotic sac.

Monochorionic Diamniotic

Identical twins who share the same placenta but have different amniotic sacs.

Monochorionic Monoamniotic

Identical twins who share the same placenta and amniotic sac.

By Excerpted from The Baby Bump, Twins and Triplets Edition