Puberty is a stage when the boy and the girl attains sexual maturity and the sex hormones begin to produce. Puberty is attained at the age of 13-14 years in case of boys and 10 to 12 years in case of girls.
The various changes observed in the girls at the time of puberty are:
1. Development of mammary glands
2. Enlargement of menstruation parts.
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