Feeling very...pregnant?

Marta

I am 6 days past ovulation. Can barely keep my eyes open, on my second nap today. Im cramping on both sides of my lower abdomen and nipples super sore. Had some very light pink discharge this morning but just once when I wiped. Have had a constant headache today. Urg!!! Is it too soon to have pregnancy symptoms like this? Am I reading to much into all this? Wondering if others had symptoms a week before their period was even due???