My gf means period 15/3/16-20/3/16. I had unprotected sex whit my gf on 29/3/16 and same day she get unwanted 72 tablet. My gf see 16/4/2016-20/4/2016 in this time her some garua colour bleeding. But her means period she did not get. So I want to know what is the problem? She is pregnant? Or any chance of pregnancy for this matter?

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