Quote:
Originally posted by Lil' Hannah
Some (such as prolife.com) would argue that use of the morning after pill is tantamount to abortion because one of the functions of the MAP is inhibiting implantation of the fertilized egg.
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That's wrong though. The morning after pill prevents the egg from being fertilized. If the egg is already fertilzed, the MAP is useless and the egg will be implanted and will begin to grow.
Quote:
From: http://womensissues.about.com/cs/rep...rningafter.htm
How Does the Morning After Pill Work?
There are two types of morning after pill available. One morning after pill uses the hormones estrogen and progestin - the same hormones used in standard birth control. The other morning after pill uses progestin only. The morning after pill acts to delay ovulation, prevents fertilization, or inhibits implantation by altering the endometrium. It is not effective if a woman is pregnant and cannot terminate an established pregnancy. The morning after pill is most effective during the first 24 hours after having unprotected sex, but can be effective for up to 72 hours.
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The part of the quote "inhibits implantation by altering the endometrium" might mean what you said - but I've never heard it explained like that. It was my understanding that the reason you have up to 72 hours to use the MAP was because it took at least that long to fertilize anyway. After 72 hours, if it works, consider yourself lucky.