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English definition of “menstruation”

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noun [U]  /ˌmen·struˈeɪ·ʃən/ us  
the flow of blood from a woman’s uterus
Translations of “menstruation”
in Chinese (Traditional) 行經,月經來潮…
in Chinese (Simplified) 行经,月经来潮…
(Definition of menstruation from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of menstruation?
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