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Switched generic brands of birth control now missed period...

Hi so last month I switched generic brands of yaz because we went to a different pharmacy. Last month I didn't have my period and I wasn't worried about it because at the time I hadn't had sex in months. I figured it was because I started new medicine for a jaw condition I have.

Now this month I'm late it's been 4 days since I was supposed to start my period. I had protected sex (condom and bc pill) about 2 weeks ago but now I'm concerned because of my late period. I'm already stressing because of finals coming up in school and I've been sick. I'm planning on taking a pregnancy test if it goes past a week late.

But I'm still worried. Could this be because of my switched generic brands? Or could I be pregnant?
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replied November 30th, 2014
Welcome to ehalthforum,
If the hormonal content and dosage is same, it should not affect your hormonal cycle. If you had been on any other medication use, the efficacy of your birth control pills can get affected. Condoms are known to have failures, and if the protection levels had been affected and you have had ovulation around time of your sexual contact, chances of pregnancy resulting are possible. Wait and watch for your periods. Look out for development of any other new symptoms if pregnancy is suspected. If periods do not start within 10 days of expected period dates, or if you get abnormal periods, or if you suspect chances of pregnancy, consider visiting your doctor/gynecologist at the earliest for thorough examination (to confirm pregnancy related changes/signs in body) and blood/serum HCG level test (to confirm/rule out pregnancy accurately). If pregnancy gets ruled out, and if you are not ready for pregnancy, but intend to remain sexually active, you should consider being regular with birth control use as instructed. Avoid unprotected sexual contact. Be in regular monitoring and follow-up with your treating doctor/gynecologist and report any new/abnormal symptoms immediately. Drink plenty of water. Take adequate rest. Maintain healthy diet and lifestyle.
Take care.

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