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worrying about when my period will come!

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Hi,
I am on birth control. I take it regularly and never have had any problems. My last period was on January 19. This month I got sick and was on antibiotics. I had sex on February 12 and the condom broke so I went to the pharmacy that day and got Next Choice. I took it how I was supposed to along with my birth control. I was supposed to start my period on February 16. I haven't started but I have all the usual symptoms that I'm going to start. I've done research and read that Next Choice can cause your period to be off as well as worrying about when your period will come. I know that if I would have ovulated, it would have been the week before I got sick. Could I be pregnant or do am I just freaking out for no reason?


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replied February 18th, 2011
Menstruation Answer A19778

Hi,
Welcome to ehealthforum.
The chances of pregnancy are high with unprotected intercourse when you are on antibiotics since it can affect the efficacy of birth control pills. Emergency contraceptives can help in preventing pregnancy when taken within 48-72 hours of the unprotected intercourse. These contain high doses of hormones which can affect your period pattern. Withdrawal bleeding usually occurs after 5-7 days of taking emergency contraceptives. Wait and watch for your periods. If you have symptoms suggestive of early pregnancy, or if you do not start with your periods, then visit your gynecologist/doctor for thorough examination and tests to rule out pregnancy.
Take care.



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