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A member asked:
Took a z-pack during my period week. period ended the 27th, z-pack ended the 1st. started normal birth control on the 28th. had sex 4th. pregnant?
A doctor has provided 1 answer
Don't know: I had trouble tracking all this info. But one thing did stick out - if your started oral contraceptives on the 28th and then went on to have sex on the 4th (; it was not your period) then you were likely not protected. Some oral contraceptives need to be taken for a month before they are fully effective. Other contraceptives can be started on day #1 of period. Sounds like you didn't use backup.
Answered 7/31/2016
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