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It’s harder than you think.

1So condoms are a fantastic way to prevent STIs and babies. But you probably already knew that.

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They’re your best defense against STIs and HIV, and they’re up to 98% effective at preventing pregnancy when used correctly. But actually, using condoms ~correctly~ is a little more complicated than just grabbing the nearest rubber and calling it a day.

So whether you’re using condoms as birth control or a barrier against STIs that can be transmitted via oral/anal/vaginal sex, make sure to keep the following facts in mind:

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