i had a period on march 3-6, my fertile days were suppose to be march 14- 23 i had sex pretty much every other day. on the 22 i logged light cramping on the right.. and today im having slight cramping on the left side. ive been nauses for a few weeks (but im thinkin that is irrelevent) and i have tender nipples. my af is due in about 7 days, is it too soon to have symptoms of pregnancy?