How Long Does It Take For Birth Control Pills To Work?
It really depends on when during the cycle she starts taking them. If you
take them on the first day of your period, like many dr's will tell you,
then generally you are protected within days. This assumes that you don't
ovulate until halfway through your cycle and that the pills will take effect
before ovulation (preventing ovulation). If you start midway through or
close to ovulation, the pills may not have time to prevent ovulation, so you
could get pregnant anyway. Generally, it's best to use another form of
birth control for the first cycle, just to be sure.
Amy
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