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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