graceylynn17
graceylynn17
30-05-2018
Health
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how do birthcontrol pills prevent pregnancy
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savannahhahn
savannahhahn
30-05-2018
Most birth control pills are "combination pills" containing a mix of the hormones estrogen and progesterone to prevent ovulation. A woman cannot get pregnant if she doesn't ovulate because there is no egg to be fertilized.
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