Period is 4 days late, last 1 was 8/19, today is 9/23, had protected sex 3 times this month \u0026 once unprotected 9/17 but he didn't ejaculate, pregnant?

Check a HPT to know.: 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 (i.e., polycystic ovary syndrome). #1 reason is pregnancy.