Comparison of zygote advancement in monozygotic and dizygotic twins. In the uterus, a majority of monozygotic twins (sixty–70%) share a similar placenta but have different amniotic sacs. In 18–30% of monozygotic twins Every fetus provides a separate placenta plus a individual amniotic sac. A little number (1–two%) of monozygotic twins https://thedeepdirectory.com/listings13332351/the-5-second-trick-for-hcbs-102-new-launch