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.
Fraternal or identical twins who have their own placenta and amniotic sac.
Identical twins who share the same placenta but have different amniotic sacs.
Identical twins who share the same placenta and amniotic sac.