Rate each symptom over the week before your period. Your score helps you understand the severity of your PMS and whether it might be worth speaking to your GP.
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PMS (Premenstrual Syndrome) affects up to 75% of women to some degree. Symptoms occur in the luteal phase (typically the 1–2 weeks before your period) and resolve once your period starts.
PMDD (Premenstrual Dysphoric Disorder) is a more severe form, affecting around 5% of women. It involves significant mood changes — such as severe depression, anxiety, or anger — that meaningfully disrupt daily life. PMDD is a recognised medical condition and is very treatable.
A high score on this tool does not diagnose either condition — but it can be a helpful starting point for a conversation with your GP.