...have occured? my last period was july 27th my next period is due august 24th i ovulated this past week i had sex the 9th,10th, and 12th on my fertile days starting yesterday the 14th ive been having extremely sore nipples and extremely exhausted i know its way to early to be a sign of pregnancy but what can it be and how many days past ovulation before a woman may start experienceing symptoms if she concieved???