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English definition of “premenstrual syndrome”

premenstrual syndrome

noun [U] uk   (UK also premenstrual tension) us  
a condition in which some women experience pain and swelling in particular parts of their bodies, and feelings such as anxiety, anger, or unhappiness for a few days before their period (= flow of blood each month)
(Definition of premenstrual syndrome from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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