You absolutely risked pregnancy and unprotected sex any tie during your
cycle risks pregnancy. However, there are times in
the cycle in which you are more fertile. so, day one of your period is cycle day one. Counting from there, most women have about a 28 day cycle and ovulate around day 14 or 15. Ovulation lasts only 24 to 48 hours max, but sperm can live up to a week leading up to that.