There are three types of identical twins: Monochorionic (Mo-Di or mono-di) twins share a placenta and each have an amniotic sac Dichorionic (Di-Di) twins each have their own placenta and amniotic ...

Mono-mono twins are an incredibly rare type of identical twins who share both a placenta and an amniotic sac. While this makes for a high-risk pregnancy, advances in monitoring and treatment have ...

She said: “The type of twins we are having are called Mono/Di twins, and with that, so normally, most twins will have two placentas that they feed off of. But when you have Mono/Di twins ...