Which I entered Relations Time Protection in pregnancy does not occur?

Theoretically, no matter what time of unprotected intercourse can cause pregnancy entered.
But a woman who is a regular and ovulation in 28 days (ovulation) is the most at risk for the most common idónea day 14 of the menstrual given that relations between 8 and 18 days. days is less risky than this period. (Because the egg is 1 day, 3 days I spin (rarely 7 days) alive.)
But, as mentioned before this is not guaranteed. Yields regular, even spawning a woman who is always on the 14th day olmayabilr previously could or later, which increases the risk of pregnancy entered the relationship at that time.