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What is Early indication of sexual maturation in females is and explain in detail?
The onset of pubey is triggered by various genetic and environmental factors. The activation of the hypothalamic-pituitary-gonadal axis leads to the production of gonadotropins ( LH & FSH) and sex steroids (estrogen & testosterone). Pubey in girls stas with Breast development (thelarche)- 8-13yrs Appearance of public hair(pubarche) At last menstruation ( menarche)- average at 12.6 yrs( range 10-16 yrs) Pubey in boys stas with Increase in testicular size(9-14yrs) Pubarche Lengthening of penis Spermarche( production of sperms at 14-16 yrs) Ref: Ghai, 9th edition, Chapter 5, Page 60.