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Triplets can be caused in three different ways. With identical triplets there is only one ovum; it splits in two, then one of the two splits again. The second type of triplets is where there are two ova and one splits to form identical twins. Incidentally, I am one out of a set of this type of triplets (I'm the fraternal one, though I still look alot like my sisters). With the third type of triplets there are three ova, meaning that all the triplets are fraternal. This is the most common type, particularly since the rise of fertility treatment.

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15y ago

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