is it possible ??

Help, I'm on cycle day 33, I've been cramping on and off for 5 days, I had sex on the 10th of December, two weeks after that I spotted for like 5 hours and it went completely away, my nipples are starting to feel sore and tender, the cramping is something on the left and other on the right side it's not too painful but it's uncomfortable, I do get nausea randomly but nothing too crazy. I do have a weird Taste in my mouth, and today I was craving Mac and cheese which I never eat. I have a watery clear sticky discharge with no smell whatsoever and I feel a little bit bloated. My period is 3 days late. Don't know if I'm pregnant or if it's pms or me stressing myself over being pregnant that my period is late ... help