Submitted by [deleted] t3_101t5yh in askscience
Pink_Axolotl151 t1_j2svyz2 wrote
Reply to comment by derioderio in How are birth control failure rates even calculated? by [deleted]
I’m an immunologist; we don’t do math.
Kidding, kidding, I understand, but I don’t think it’s intuitive to most people that it works like that. A lot of people think that the quoted failure rates (ie, 2% for male condoms) are the failure rates over a lifetime of use, and the graphics in the article help hammer the message home.
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