A dichorionic, diamniotic twin pregnancy ensued (Figure 2). Most twin pregnancies arise from two separate fertilized ova (dizygotic twins). Most monozygotic twins arise by the division of an ...

Dichorionic triamniotic triplets – one baby has a separate placenta and two of the babies share a placenta. All three babies have separate amniotic sacs. Dichorionic diamniotic triplets – one baby has ...

All three babies have separate amniotic sacs. Dichorionic diamniotic triplets – one baby has a separate placenta and amniotic sac, and two of the babies share a placenta and amniotic sac.