Does a late menstrual period mean I am pregnant?

No HPT. 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 medical problems (i.e. PCOS). #1 reason is pregnancy.
Missed period. No, it does not mean you are pregnant, but you should check a home pregnancy test as most pregnancies are associated with being late for at least one period. There are other reasons beside pregnancy for being late. Doctors will want to check for pregancy first before looking at other reasons.

Related Questions

Does a late menstrual period mean I am pregnant or not?

Either one. You may or may not be pregnant hormone imbalance lack of ovulation can delay menses check a pregnancy test it is generally advisable to have some sort of menses every couple months unless on medication that stops them. Read more...
Late. 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 medical problems (i.e. PCOS). #1 reason is pregnancy. Read more...