Define (i) Menarche (ii) Menopause (iii) Menstrual cycle.
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→ (i) Menarche The first menstruation begins - at puberty and is called menarche.
→ (ii) Menopause In human beings, menstrual cycles ceases around 50 years of age; that is termed as menopause.
→ (iii) Menstrual cycle - In human females, menstruation is repeated at an average interval of about 28/29 days, and the cycle of events starting from one menstruation till the next one is called the menstrual cycle.
→ (ii) Menopause In human beings, menstrual cycles ceases around 50 years of age; that is termed as menopause.
→ (iii) Menstrual cycle - In human females, menstruation is repeated at an average interval of about 28/29 days, and the cycle of events starting from one menstruation till the next one is called the menstrual cycle.
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