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A member asked:
Birth control pills question. how long it will take to be effective? what is the proper dosage and how many packs do i need for my gf.
A doctor has provided 1 answer
1 week: If taken correctly and started at the right time, birth control pills will be effective after 1 week of use, but i usually tell patients 2 weeks to be safe. You will need 1 pack for each month.
Answered 9/28/2016
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Spotting during the second week of birth control pack. Its low dose combo pill. Do I need a stronger dose of birth control?
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