Doctor I do unprotected intercourse 12 may and my previous period date is 22 april.after that I get unwanted 72 within 30 minutes and bleeding happene 20 may for 5 days.next Month bleeding happene on 18 june for 5days and take a pregnancy test on 23rd June and come negative.next bleeding happene 15 July for 5 days and 13 August for 5 days.can it period or pregnancy related bleeding?? I get unwanted 72 for 1 time and last intercourse happen on 12 may.can a pregnant women feel pregnancy at 18 weeks