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Primary _____ occurs if menstruation fails to begin by age 16.

love2211

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Primary _____ occurs if menstruation fails to begin by age 16.

Primary _____ occurs if menstruation fails to begin by age 16.

A) amenorrhea
B) menarche
C) menopause
D) menorrhagia

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derrickpate22

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You make an excellent tutor!

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