My period is 5 days late and i have very very light spotting. in stressing about this. can co stand worrying about it keep it from coming?

Not sure of cause: 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 med problems. #1 reason is pregnancy. Main reason for light periods is change in hormone levels.