Quote Originally Posted by Oaty
Congrats

Identical /fraternal? Or cant they tell until they are born?
Well its really too early to tell, they can only extract mitochondrial DNA at this point, so they can only tell that they are related to me and my fiancee. We won't know if they are Identical or Fraternal until around 6 months after they have been born.

I'm hoping they are Fraternal, mostly because Identical Twins are more commonly born too early which can lead to early complications.