U Unlearner Full Member 10+ Year Member Joined May 10, 2009 Messages 54 Reaction score 0 Points 0 Location Portland, OR Pre-Medical May 26, 2009 #1 Advertisement - Members don't see this ad I will apologize ahead of time if this question sounds stupid, but placenta only exists in women's body if they are pregnant, and not in women who aren't pregnant?
Advertisement - Members don't see this ad I will apologize ahead of time if this question sounds stupid, but placenta only exists in women's body if they are pregnant, and not in women who aren't pregnant?
D Dr Gerrard Full Member 10+ Year Member Joined Feb 16, 2009 Messages 1,044 Reaction score 2 Points 4,611 Medical Student May 26, 2009 #2 The placenta begins to develop upon implantation of the blastocyst into the maternal endometrium. Source: Wikipedia Upvote 0 Downvote
The placenta begins to develop upon implantation of the blastocyst into the maternal endometrium. Source: Wikipedia
