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Why do birth control pills fail?

Male  30 years old 2018-05-30
I had taken birth control pills last month, but this month I was found to be pregnant. I want to know why contraceptive pills will cause contraceptive failure.

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  • BY Ina Barton 2018-05-30
    Sometimes the cause of an unexpected pregnancy may not be missed contraceptives, but anti-tuberculosis drugs or drugs to prevent cerebral hemorrhage while taking the contraceptives, resulting in the contraceptives failing.
    7

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