menarche definition

  • noun:
    • the initial menstrual duration, frequently happening during puberty.
    • The start of menstruation; the start of the monthly period duration. A girl's first duration.
    • 1st incident of menstruation in a female

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  • Urban Dictionary for "menarche"
    • very first menstruation period for a…
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  • Medical Dictionary for "menarche"
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