Note:  Do not rely on this information. It is very old.


Puberty, the age at which the functions of the reproductive organs first become developed. It is marked in girls by the commencement of the menstrual flow; in boys by the breaking of the voice and the appearance of hair on the face. The phenomena of puberty are first manifested, as a rule, from the thirteenth to the seventeenth year, and earlier, as a rule, in females than in males.