My girlfriend and I had a sex last time on 29th july and she had a pill and she got her periods on 8th august and this period last normal and than again we had sex and she took pill again on 20th august and got periods on 27th august in the same month and it's 5th September and still she is in periods and it is lasting longer than her normal cycle what could be the possible reason behind it and how longer will this time period last and when she will be getting ger normal cycles. Please help me as soon as possible she is tensed as well as i.