Me and my boyfriend have unprotected sex but he never *** inside me. my period is 4 days late. i've been extremely tired, nauseas and vomiting.

Pregnancy possible w: Pre-ejaculate. 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.