Help please missed period!!

I have taken so many test and all seem to be negative ive gotten like 2 positive then all negative. On clear blue I had a skinny line I think was evap. All negative then today I took one from the dollar store and I seen a faint that looked like and evap and the line is still there but came up after 5 minutes.

T.M.I

My period is 4 days late and Im cramping a storm I feel so wet down there I feel like if im starting my period and its all wetness clear and some what cloudy.