A member asked:

How long does it take for yaz (drospirenone and ethinyl estradiol) to become effect? if i didn't take the pill during or right after my period?

A doctor has provided 1 answer
Dr. Jie Xu answered

Specializes in Obstetrics and Gynecology

To be safe,: Give it about 2 weeks. There is no solid rule or absolute number of days or weeks established. Use a backup method until then. Condoms are great since they also protect against stds.

Answered 3/9/2013

5.3k views

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