Having some symptoms of pregnancy, mostly bloating now. period is three days late but negative hpt. also experiencing discharge, what does this mean?

Late period: You can repeat pregnancy test in a week w first morning void if you haven't had your period. Reasons for missed/late periods: low body weight, obesity, marked weight ^ or v, over-exercise, endurance athletics, breast-feeding, ^ stress, illness, eating disorders (bulimia or anorexia), anovulatory cycle (no egg released), travel, hormone irregularities, drug use, meds (i.e., birth control) or >.