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Plan B & Depo Provera

I had my period Aug 31- Sept 4
I had unprotected sex mid Sept and took plan B next day (Sept 10) by September 15 i notice some spotting and on the 16th and 17th  it was very heavy flow it has finally gone down(19th). I was wondering if this was my period or just a symptom of Plan B. I visited the doctors & took pregnancy test which came to be negative and got the Depo on the 19th as well, Is it likely that It was my period, if so would the depo shot be effective immediately? or how long do i have to wait to have unprotected sex without getting pregnant?
1 Responses
563773 tn?1374250139
MEDICAL PROFESSIONAL
Hello,
The spotting that you had sounds like breakthrough bleeding due to the Plan B. The first injection should be given in the first five days of a normal menstrual cycle (day one is the first day of your period). This will protect you from pregnancy immediately. But if you start on some other day, you will need to use additional contraception, eg condoms for the first seven days after having the injection.

It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.

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