A member asked:

If you switch from tri previfem (norgestimate and ethinyl estradiol) to tri sprintec right after the plecebo week and start the first active pill day 4 of cycle are u still protected?

A doctor has provided 1 answer
Dr. Suzanne Fiala answered

Specializes in Family Medicine

Yes.: As long as you start the new brand of pills at the usual time, and have had no lapse of birth control pills, you are still protected and do not need a back up birth control method.

Answered 10/6/2016

5.2k views

Thank

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