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To: WKB
The progesterone in birth control pills creates a thick cervical mucus making it difficult for sperm to reach the uterus. It also impedes an egg from attaching itself to the uterine lining (endometrium) because of changes in the cellular structure of the lining.
258 posted on 01/17/2006 3:20:11 PM PST by tutstar (Baptist Ping List Freepmail me if you want on or off this ping list.)
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To: tutstar

Is that a yes or a no? :>)


260 posted on 01/17/2006 3:21:51 PM PST by WKB (If you can't dazzle them with brilliance.. then Baffle them with BS)
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