Hi there! I was wondering if this means that if you have sex 100 times, theoretically, you would get pregnant once? Or does it mean that out of the 100 times you would hypothetically get pregnant, you actually get pregnant once. Because the two make a big difference so if someone knows please let me know. Thanks! 🙂
Edit: Thanks everyone for the great answers!
In: Biology
Typically, in those studies, when they say 99% effective, they mean “We studied 100 women for a year who were using this pill, and 1 out of those 100 became pregnant.” Sometimes they’ll have two different figures – one with perfect use, where the subjects followed every direction, and one with “typical” use, where people sometimes forgot to take their pill on the proper day.
In any case, it’s about averages over a yearlong period, rather than number of times having sex.
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