►Embryology made Simple by ALL Released October 5, 2005
An excerpt from The Developing Human: Clinically Oriented Embryology, 6th Edition, by Moore and Persaud (P. 532):
Postcoital birth control pills?. Ovarian hormones (estrogen) taken in large doses within 72 hours after sexual intercourse usually prevent implantation of the blastocyst, probably by altering tubal motility, interfering with corpus luteum function, or causing abnormal changes in the endometrium. These hormones prevent implantation, not fertilization. Consequently, they should not be called contraceptive pills. Conception occurs but the blastocyst does not implant. It would be more appropriate to call them "contraimplantation pills." Because the term abortion refers to a premature stoppage of a pregnancy, the term abortion could be applied to such an early termination of pregnancy.
Pro-Life Story: pro-life for sure! Posted By Samantha Rozzell on Jan, 25 2007 My mom is a single mother and I have been raised by her since the day I was born. My mom's boyfriend walked out on her the minute he found out that she was pregent. I was about 12 ... Read