Name the process of onset of menstruation at puberty.
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Menarche
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Menopause
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Menstruation
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Ovulation
A
Correct answer
Explanation
Menarche specifically refers to the first occurrence of menstruation, marking the beginning of reproductive maturity. This typically happens between ages 10-15 during puberty. Menopause is the permanent cessation of menstruation, not the onset.