Not sure. Is your: Menstrual cycle 28 days long? If you still don't get a period -try repeating pregnancy test in a week. Missed/late period: low body wt, obesity, weight ^ or v, ^exercise, endurance athletics, breast-feeding, stress, illness, eating disorders, anovulatory cycle (no egg released), travel, perimenopause, just starting menstruation, hormone irregularities, drug use, meds. Pregnancy is #1 reason.
Answered 10/8/2013
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