Sexual maturation in healthy school girls in Assiut

ABSTRACT

A total of 1111 Assiut school girls aged 8-18 years were examined in a cross sectional study for the age of attainment of successive puberty stages of the breast, pubic hair, axillary hair and of menarche. The age of onset of puberty was 9 years and all girls were pubscent at 15 years. The mean ages of attainment for the initial stages of breast, pubic hair and axillary hair development were [11.8 +/- 0.9, 12.0 +/- 1.01, 12.78 +/- 0.82 years respectively]. The mean menarcheal age was 13.17 +/- 0.01 years which was earlier than that recorded in 1970's in Assiut girls