In woman cessation of menstruation occurs at the age of
$12-14$ years
$45-58$ years
$60$ years
Does not occur at all
Why are menstrual cycles absent during pregnancy ?
Menstrual cycle occurs in
A human female experiences two major changes, menarche and menopause during her life. Mention the significance of both the events.
A temporaryendocrine gland in the human body is
Ripe ova are shed by ovaries into