A member asked:

How soon does the depo shot begin to work if not given within 5 days of your cycle ? hours?days? weeks?

A doctor has provided 1 answer
Dr. Jeff Livingston answered

Specializes in Obstetrics and Gynecology

CDC guidelines: According the current CDC guidelines if Depo is given with 7 days of your cycle no back up is required. If given more than 7 days from your cycle then back up should be used for 2 weeks.

Answered 7/12/2015

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I was given the depo shot sometime mid cycle, when will it become effective?

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