10 Amazing and Shocking Types of Twins

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9. Awesome Superfetation Twins


Superfetations are the type of twins in which a fetus gets formed while there is another one developing in the uterus. In what is totally different from the other different types, these babies are as a result of two different menstrual cycles releasing different egg cells at different times.

This will lead to two successful fertilization from a single cycles and this is what is termed “superfetation”.  Different studies have indicated that this scenario is mostly common in animals and very rare in human beings.

When it occurs in mammals, there likelihood is that one twin is born prematurely with a chance to developing some health complications.


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