If there is a membrane seperating them t...

Ashley2121 - June 3rd, 2009 7:57 AM
 [Original Comment]

If there is a membrane seperating them then they are fraternal. Fraternal twins can share one placenta. I am also pregnant with twins and my dr drew out a bunch of pics to show me the differences. He said he is almost 100% certain that mine are fraternal.

Hope this helps :)

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