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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.
Ovulation can be delayed by a number of factors including stress, illness, diet, or increased physical activity. If you are trying to get pregnant, having sex a couple days before you ovulate and the day you ovulate will give you the best chances of getting pregnant. If you are trying to avoid pregnancy, you will want to not have sex a week before ovulation until 2 days after you have confirmed ovulation. The absolute best way to avoid pregnancy if you are sexually active is to use contraceptive protection or not have sex at all.