A member asked:

What to know before trying the depo-provera shot?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

Depo- Provera (medroxyprogesterone): Depo- Provera (medroxyprogesterone) has 99% efficacy in preventing pregnancy. It must be given every 12 weeks to insure protection. A woman might become pregnant 3 to 4 months after the last Depo – Provera (medroxyprogesterone) shot. But it could take 6 months up to as long as two years.

Answered 5/8/2015

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