5 doctors weighed in:
How effecitive are the prevention pills? If there a chance of me getting pregnant while taking the pill nd having unprotected sex?
5 doctors weighed in

Dr. Robert Kwok
Pediatrics
4 doctors agree
In brief: Very effective
For women taking birth control pills (ocp's) properly and consistently, the chance of pregnancy is reported to be 0.
3% per year, or 1 pregnancy in 333 women each year. The actual pregnancy rate in the "real world" is reported to be at least 3% on ocp's, or 1 pregnancy in 33 women each year. So, yes there is a chance of getting pregnant, but the chance is small.

In brief: Very effective
For women taking birth control pills (ocp's) properly and consistently, the chance of pregnancy is reported to be 0.
3% per year, or 1 pregnancy in 333 women each year. The actual pregnancy rate in the "real world" is reported to be at least 3% on ocp's, or 1 pregnancy in 33 women each year. So, yes there is a chance of getting pregnant, but the chance is small.
Dr. Robert Kwok
Dr. Robert Kwok
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