How does a birth control pill work?
Answers: no the one that prevents you getting pregnant once is the morning after pill (plan B)
the regular birth control pill should protect you from getting pregnant as long as you are taking it
as for how it works go to the site, it pretty much explains it:
http://www.plannedparenthood.org/birth-c...
The live ingredient in birth control pills is a synthetic form of progesterone, a hormone to be exact normally secreted surrounded by high amounts when you are pregnant. Because taking the pill increases your progesterone smooth, your body thinks it is pregnant and shuts down the ovaries, inhibiting ovulation. It also cause your cervical mucus to thicken, and the lining of your uterus to build up. During the week rotten the active pills, you hold what is called withdrawl bleeding. When the stratum of progesterone drops, your body thinks it have had a miscarriage, and as a consequence sheds the uterine lining.
When taking the pill properly, you are protected at adjectives times from pregnancy, even during your withdrawl bleeding.
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