I had unprotected sex on 17th August and then took I Pill within 3 hours. As for my sake I did pregnancy test at home on 20th August and it is negative. Is there is chance of getting pregnant ? As I got my periods in previous month around 19tj July , so I should got periods this month around 19 but it doesn't yet come . I didn't notice any symptoms of pregnancy . I just had a little bit abdominal pain for 3 days . But now I didn't have any pain anywhere. But I didn't get periods yet . Is there is chance of pregnancy ???? Plzz help me out I am so scared plzzz.