thelarche
noun
the·lar·che
thē-ˈlär-kē 
: the beginning of breast development at the onset of puberty
premature thelarche
Cite this Entry
“Thelarche.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/thelarche. Accessed 7 May. 2025.
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