A 19-year-old male 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?
1 doctor answer • 2 doctors weighed in
Family Medicine 31 years experience
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.
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5.2k viewsReviewed >2 years ago
Last updated Oct 6, 2016
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