It's based more on your menstrual cycle than on the window period after sex. When was your last period and how long are your average menstrual cycles?

im not yet late on my period it wont start for a couple more weeks but my brests have been hurting and my mood and energy has been wayyy out of the usual im usually a very patient person but lately ive been very very unpatient and irratable
i changed my appointment for next tuesday just to make sure.. i will be able to tell by then right it will have been over 2 weeks...

usually you don't get many symptoms till after a missed period. it sounds to me like your pms-ing