What is the true rate of PMDD, and does it worsen mental health conditions?

Abstract Premenstrual dysphoric disorder, included for the first time in DSM-5 and ICD-11, is defined by the timing of affective symptoms in relation to the menstrual cycle. Gold-standard diagnosis involves prospective charting of symptoms, which must be confined to the premenstrual phase and minimal/absent at other times. Using this diagnostic method, the pooled prevalence of premenstrual dysphoric disorder is 3.2%, a much smaller proportion than experience broadly define premenstrual syndromes. Correct diagnosis is important as evidence-based treatments, including both selective serotonin reuptake inhibitors and hormonal therapies, are available. Additionally, a range of mental and physical disorders demonstrate menstrual exacerbation, deterioration of symptoms linked with the menstrual cycle. Depression, bipolar disorder and schizophrenia all have evidence of menstrual worsening. I will discuss diagnosis and treatment implications for these menstrual-related disorders. Disclosure of Interest None Declared

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