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X = ………………….. refers to the first menst...

X = ………………….. refers to the first menstruation while Y = …………... refers to the last.

A

X = Menarche, Y = Menopause

B

X = Menopause, Y = Menarche

C

X = Menise , Y = Menarche

D

X = Menopause , Y = Menus

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