Hello doctor, I had my period on 15 th april, I had sex with my fiance on april 18, 19, 20. But I remember that he didn't do inside me. Till then I didn't have my periods. Home pregnancy test is also negative. Then we again had sex on 28 and unfortunately he did inside me. I had unwanted 72 within 72 hrs but still my periods has not come and I also have history of irregular periods. I am in please help me out of this situation.