I have a 28 to 30 day cycle.. since i witness bleeding either on 28th day or 30th day.. i had my LMP on 12th to 14th dec.. i had my current periods on 33rd and bleeded for just one day... i had had protected-unprotected sex on the 26th day of my cycle and took i pill within 3hrs of sex.. kindly suggested me what could be the reason of such delay and scanty period. My gynae had previously suggested me of having PCOS. I am very tensed please help..