1 doctor weighed in:
I'm switching from the pill to depo-provera. How long do I have to use a backup?
1 doctor weighed in

Dr. Guy VanDell
Obstetrics & Gynecology
In brief: Not very long
I usually tell everyone to wait 2 weeks for a new birth control method to work, but i believe that depo is effective within 2 days.

In brief: Not very long
I usually tell everyone to wait 2 weeks for a new birth control method to work, but i believe that depo is effective within 2 days.
Dr. Guy VanDell
Dr. Guy VanDell
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Dr. Jane Van Dis
Board Certified, Obstetrics & Gynecology
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