Twins 101: Types of Twins
Dichorionic, diamniotic, monochorionic, monoamniotic — wondering what it all means? We've broken it down.
ByExcerpted from The Baby Bump, Twins and Triplets Edition
Updated
March 2, 2017
March 2, 2017
Image: Megan Rojas / The Bump
1
Image: Megan Rojas / The Bump
Dichorionic Diamniotic
Fraternal or identical twins who have their own placenta and amniotic sac.
2
Image: Megan Rojas / The Bump
Monochorionic Diamniotic
Identical twins who share the same placenta but have different amniotic sacs.
3
Image: Megan Rojas / The Bump
Monochorionic Monoamniotic
Identical twins who share the same placenta and amniotic sac.
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