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A member asked:

If i am switching birth control pills and i am just starting the new ones today... will the new pills be in effect by tomorrow?

A doctor has provided 1 answer
Dr. Stephen Daquino answered

Specializes in Sports Medicine

Yes: The pills are effective as long as your taking them. For the first few cycles you may experience abnormal bleeding or spotting but the contraceptive effect is there.

Answered 2/28/2016

4.7k views

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