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What is the period of adolescence?
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in girls it is from 12-13 when ovaries starts releasing one matured egg every month and uterus prepares itself every month to recieve and nurture the embryo
When do adolescence's start what change s it cause
adolesence start in girls when ovaries release a hormone called oestrogen which bring about dramatic changes seen in girl during puberty and when eggs in ovaries starts maturing frm 11-12 years. and in boys it starts when testes produces sex hormone called testosterone which ring about dramatic changes seen in boys during puberty and testes starts producing sperm with the help of testosterone frm 13-14