premenarche
noun
pre·men·ar·che
-ˈmen-ˌär-kē 
: the period in the life of a female preceding the establishment of menstruation
Cite this Entry
“Premenarche.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/premenarche. Accessed 11 Dec. 2025.
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