Do i suppose to have sex one day before my ovulation or two days before my ovulation i really want to be pregnant?

One day: It is best to follow an ovulation predictor kit and have intercourse the day of positive result, which is one day before ovulation. You should have intercourse for 1-2 more days as well. Good luck.

Possibly: Oobtain a home pregnancy test. They turn positive within 72 hours before your expected period. If it's negative, repeat in 1 week.