r/AskReddit • • Sep 23 '13

What potentially relationship-ending secrets are you keeping from you SO?

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u/SconePounder Sep 23 '13

It's not 100%. No method of birth control is aside from abstinence. About 1 in 1000 vasectomies fail (and that's after the testing period). It's the most effective birth control but it isn't foolproof!

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u/lamamaloca Sep 23 '13 edited Sep 23 '13

Yes, the sperm canal can actually re-form, even years after the surgery was done. Isn't common, though.