Period or pregnancy symptoms?

Br
I have PCOS and I've been regular for almost a year, last period was 56 days ago when my average is 30. 
I've thrown up a few times in the AM
Fatigue
Cramp every now and again
Dizziness (possible dehydration tho it's 96*)
Sore boobs the last 5 days
4 negative pregnancy tests
No blood/spotting 
Loss of appetite 
Very Watery Eyes!!! Like unreal. 
Any advice? I know I'm not out till AF shows! 
Baby dust to everyone! 

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