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A member asked:

How long would it take until yaz (drospirenone and ethinyl estradiol) birth control is effective against pregnancy?

A doctor has provided 1 answer

1 month: The standard recommendation is to use a back-up method of birth control (condoms) for one month of taking the pill before relying on it to be effective.

Dr Fowler and another doctor agreed

Answered 4/20/2013

5.2k views

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Related Questions

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I am terrified to take Yaz (drospirenone and ethinyl estradiol) or other birth control. Is there anything else?

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How long does it take Yaz (drospirenone and ethinyl estradiol) (birth control pill) to help clear acne?

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Does drinking 3 cups of green tea daily for a prolonged period of time decrease the effectiveness of the birth control pills? I take Yaz (drospirenone and ethinyl estradiol) for 2 years.

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Wondering if there would be any weight loss effects. I take Yaz (drospirenone and ethinyl estradiol) for birth control, acne, and severe cramps. Any thoughts or suggestions?

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