A member asked:

I had sex yesterday, used a condom and bc. started my period feb 10th. got the depo-provera shot feb 25th. is the depo-provera already effective and working now?

A doctor has provided 1 answer
Dr. Brian Nguyen answered

Specializes in Obstetrics and Gynecology

Birth Control Switch: Technically, the Depo-Provera shot has been shown to be active fairly quickly, thickening the cervical mucous and making it impenetrable to sperm (within a day even). However the general guidance is that after getting depo, you should continue birth control pills and/or condoms for at least 7 days before being sure that you can rely on the depo.

Answered 2/19/2015

4.4k views

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