Sore nipples

Sara
I have been TTC for 8 months, i have been trying so many times and thinking i have signs to be pregnant every month. So this time for the first time i have sore and tenderness in the nipples and it comes and go. Do you think it is a signe?
Do you think I should take a test, my AF us after a week from today...
Who had this as an early symptoms?
HELP plz