U Unlearner Full Member 10+ Year Member Joined May 10, 2009 Messages 54 Reaction score 0 May 26, 2009 #1 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?
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 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