Dear sir I had unprotected sex with my girlfriend on 28 August and I gave her unwanted 72 in the evening of the same day. The expected date of her periods was 1st September but it comes to her on 4th September and was continue by 5th September and for a short time on 6th .She said that it was not normal periods as it comes to her every month. The bleeding was less as compared to normal periods.plz suggest me is there can be any problem.should i go for a home pregnancy test or wait for the next period time plz suggest.l would be thankful to you.