question: My age is 30 years,trying to conceive now.I am under follicular study.Doctor told I am developing an egg on right side and on 12th day(14th july 2012) doctor has given me ovidac injection and asked to have intercourse for two days(15th july,16th july)from the day of injection.but i got my periods today(28th july).what could be the wrong?Why am i not conceived?:-(