A member asked:

I switched from trinessa (norgestimate and ethinyl estradiol) to trisprintec birth control pills after finishing the old pack. do i need to be safe the first month on new pills?

A doctor has provided 1 answer

Change: Those 2 pills are very similar so as long as u take like you're supposed to then you shouldn't be concerned with the change.

Answered 4/6/2015

3k views

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