Is there a high chance of becoming pregnant 12-15 days before your period? when are you most fertile?

Fertile period: A woman is most fertile at ovulation. Fro women with regular, 28-30 day cycles, ovulation occurs approximately 14 days after the first day of the menstrual period.

Ovulation timing: The optimal time for conception is 48 hours prior to and up to the day of ovulation. Therefore, start having intercourse a couple of days prior to when you actually ovulate and have intercourse every other day for a total of five times to help ensure sperm are there when you ovulate.