Originally Posted by NateR
Okay, so how do you tell if a twin is identical or fraternal aside from doing a DNA test? When I asked Matt about it, the only reason he gave me for saying they were fraternal was that there were two sacs. So I guess it's possible that they are identical twins after all.
Two sacs = fraternal
: Okay, I just saw Amy's post. This is news to me but I'm going with her info because she's the pro and knows this stuff. I've always heard that fraternal twins come from two separate eggs/two separate sacs and identical twins are one egg that split but share the same placenta. But, I haven't read up on this in a while, so I'll go with Amy since this is her business and she's around all this up-to-the-minute....