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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Is Pregnancy Possible While On Yaz?

Hello. For the last five years I have been on the generic birth control (3 weeks of hormones and 1 week of placebo). Last month I was switched to generic yaz (3.5 weeks of hormones and 4 days of placebo). I haven't gotten my period at all on yaz. And took a pregnancy test that was negative. Is
this normal?
Wed, 16 Dec 2015
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General & Family Physician 's  Response
HI,
I understand your concern.
If taken regularly as per instructions, Yaz prevents conception .It has prolonged course of hormones & shorter course of placebos.. so absence of menses or irregular non menstrual bleeding is a common side effect of Yaz.
Thanks.
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Is Pregnancy Possible While On Yaz?

HI, I understand your concern. If taken regularly as per instructions, Yaz prevents conception .It has prolonged course of hormones & shorter course of placebos.. so absence of menses or irregular non menstrual bleeding is a common side effect of Yaz. Thanks.