Definition of Menarche
Menarche: The time in a girl's life that menstruation first begins. During the menarche period, menstruation may be irregular and unpredictable. Mood, weight, activity level, and growth rate may fluctuate with the hormone levels as well. Synonymous with female puberty.
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=4345
Last Editorial Review: 3/26/1998 2:27:00 PM
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