sometimes before ovulation during sex my man has to be careful because in one spot in either the…

sometimes before ovulation during sex my man has to be careful because in one spot in either the left or right upper area of my ovaries it be sensitive during sex like a sharp pain if its hit wrong , I also stretched a minute ago and had a sharp pain down there like a pull, this only happens during certain times of the month, any one else get this , and why does it happen ?