Condom prevents pregnancy by 100%.If not,please state why and how.?

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Answers:    A condom is only 86% influential.

Reasons condoms are not 100% effective:
-Improper usage
-They can break
-They can slip sour

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they could break, sperm could leak out, they're not 100%

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Please please please backing, sex and the morning after pill...?

First time have sex....?

Has this happen to you, i obligation medical suggestion? from a girl?