Why are birth control methods only 99% effective at most? 1.78K viewsJanuary 3, 2024 Question90.93K June 4, 2019 0 Comments Why can’t we get to 100% effectiveness? In: Biology 7 Answers ActiveNewestOldest Anonymous Posted June 4, 2019 0 Comments 99% effective doesn’t mean you’re going to get pregnant 1% of the time while having sex. 99% effective in terms of contraception means out of 100 couples 1 got pregnant after a year of use while using the contraceptive. You are viewing 1 out of 7 answers, click here to view all answers. Register or Login
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