A human female experiences two major changes, menarche and
menopause during her life. Mention the significance of both the events.
NCERT Class XII
Biology - Main Course Book
Chapter 3. Human Reproduction
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MENARCHE
refers to the beggining of menstruation at puberty and occurs around 11 - 13 years
MENOPAUSE
refers to the stoppage of menstrual flow and ovulation in females .it occurs around the age of 50-55 years
refers to the beggining of menstruation at puberty and occurs around 11 - 13 years
MENOPAUSE
refers to the stoppage of menstrual flow and ovulation in females .it occurs around the age of 50-55 years
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