My Period Is Due Today ...

-My Period ls Due Today But I Have No Bleeding ..I Have This Stretchy White Discharge ..Is It Normal.?? I Have Cramps That Are Minor ..They Come & Go. My Boobs Hurt & I Feel Bloated A Little ..Help Me. I Took A Test This Morning & Got A BFN ..Is It Too Early To Test.?? Maybe My HGC Is Low ..?