تعیین مراحل بلوغ و منحنی قد و وزن پسران دانش آموز 7 تا 17 ساله شهر ساری در سال تحصیلی 78-79

Background and purpose: Determination of hight and weight and processes of puberty in students could be one of the best indices for evaluation of nutritional and growth status of the population of a society. Taking in to account that the information available at present is from western societies, we decided to perform the same in our society. Materials and methods: Ôn the basis of a trial study with cartain sample size, random sampling of 1266 boy students in the age group of 7-17 in sari township were done. The materials used for the research were strap scale, ruler, spring weighing device and orchiometer for measurment of testis. Results: Maximum increase in hight and weight was observed at the age of 13 years. Ïncrease in hight and weight continued till 14 years of age and then the rate slowed down. The first sign of puperty was the growth of pubic hair. Çonclusion: Çonsidering the difference between the percentage of hight and weight with the available standard percentage, preparation of a new standard percetage for our society is recommended.