A member asked:

If my girlfriend just started on levora (ethinyl estradiol and levonorgestrel) birth control, will it take effect immediately?

A doctor has provided 1 answer

Effect of BCP's: How soon the contraceptive effect will begin from bcp's depends upon when in the cycle she starts using it, and is partly dose responsive. I recommend that my patients use a back-up the first month to provide ultimate contraception.

Answered 4/25/2016

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