Period hasn't started and...

Alyssa

So my period was suppose to start yesterday and it didn't plus still hasn't showed up. Two day before that I had tiny spotting of pinkish when I wiped. Ive been having lower abdominal pains, back pain, tiredness, frequently urinating, and headaches. Today I was sitting down and suddenly felt really tired and dizzy. Then later on through the day my boobs started to hurt...I've never had this happen before so idk what is going on.