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So having sex 3 or 4 days before you ovulate and on the day you ovulate will give you the best chances of getting pregnant. Michelle Stephens Hello, The last day of my period wasMay 16/17, I had unprotected sex on Jun 3rd, according the ovulation calendar I missed the window to get pregnant because my period I due on Jun13th.
You are fertile for several days before ovulation actually occurs and for about 24 hours after ovulation. If you have a 28 day cycle, your chances of getting pregnant will be most likely if you have sex 12 to 16 days after your period started. That is when you will be most fertile and increase the chance of sperm being where it needs to be to fertilize your egg.