Possible to be pregnant

I've been moody, bloated, my breasts are heavy , feeling nauseas (that just started in the last week) and I've been tired/achy. The weirdest symptom that just stopped this week was a clear discharge. No smell, very thick, no pain or anything. Anyways, I had a "period" 3 weeks ago. But this wasn't regular. It last maybe 3 days and was mostly spotting and brown.

I took a test last week and it said negative but I'm not due for another period until next week. (April). I'm wondering should I take another test this week or wait till after I've "missed" my period?

I also know its not a thyroid problem as I just recently had that tested.
My long term bf doesn't care if I but I do. Just wondering, and wanting some advice. Should I ignore this or test?