Account & More
3 slides
profile picture of Excerpted from The Baby Bump, Twins and Triplets Edition
Excerpted from The Baby Bump, Twins and Triplets Edition

Twins 101: Types Of Twins

Dichorionic, diamniotic, monochorionic, monoamniotic — wondering what it all means? We've broken it down.
1
Dichorionic Diamniotic

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

Photo: Megan Rojas / The Bump
2
Monochorionic Diamniotic

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

Photo: Megan Rojas / The Bump
3
Monochorionic Monoamniotic

Identical twins who share the same placenta and amniotic sac.

Photo: Megan Rojas / The Bump