My period is 10days late, i have on and off cramping for the past 3days. could i be pregnant and is the cramping normal? also have hdache, sore breast

Encourage you to: Find out by taking a home pregnancy test. Missed/late period: low body wt, obesity, weight ^ or v, ^exercise, endurance athletics, breast-feeding, stress, illness, eating disorders (bulimia or anorexia), anovulatory cycle (no egg released), travel, perimenopause, just starting menstruation, hormone irregularities, drug use, meds (i.e., birth control) or medical problems. #1 reason is pregnancy.