Quote:
|
Originally Posted by freeload
I might be completely off, but when reading birth control statistics I believe they refer to the percentage of women not pregnant during a whole year. So 91% means 9 out of 100 women wil get pregnant during a year, not each time they have sex.
|
I think that's what it means too. For every 100 women that use it regularly as a method of birth control, 9 end up getting pregnant within a year.