title: Age at menarche among the Bhotias of Mana Valley.
abstract: The mean menarcheal age of the Bhotia girls of Mana Valley (Uttar Pradesh) has been found to be 16.38 +/- 1.53 years, which is the highest value so far reported from Indian populations. It is observed that altitude and nutritional status have a great bearing on the onset of menarche. The results obtained are compared with those from other Indian populations.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000531:Altitude; D004032:Diet; D005260:Female; D006801:Humans; D007194:India; D008572:Menarche; D009747:Nutritional Physiological Phenomena