Yes : Because you were not on Yaz (drospirenone and ethinyl estradiol) long enough to provide any protection
Answered 9/28/2016
3.9k views
Yes: Please use Plan B again, and please understand how contraceptives work and how they may fail. You need to be on Yaz (drospirenone and ethinyl estradiol) for a full cycle before it can act as a contraceptive. Until then please use barrier protection.
Answered 6/9/2017
3.9k views
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