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As a Research Assistant on the newly launched Cycle Study at KCL, I am hugely motivated to improve outcomes for people living with Premenstrual Dysphoric Disorder (PMDD). PMDD is a severe mood disorder in which symptoms, like anxiety and depression, happen in the weeks leading up to the start of a period. For more about PMDD see earlier Inspire the Mind article by Dr Ellen Lambert.

Premenstrual syndrome (PMS) refers to the emotional and physical changes many people experience in the days before a menstrual period, including anxiety, low mood, irritability, fatigue, and bloating. At its most severe, when symptoms are debilitating and interfere with daily life, it is known as premenstrual dysphoric disorder (PMDD). Despite affecting an estimated 250 million people worldwide, we still do not fully understand why these symptoms occur.

For some people, the days before a period bring mild irritability or low mood. For others, the emotional shift is so intense it can feel like becoming a different person entirely. Premenstrual Dysphoric Disorder (PMDD) is far more than the occasional premenstrual mood swing. It is a severe, cyclical mood disorder that can disrupt relationships, work, social life, and a person’s sense of self.

Throughout life, women often experience a series of shared transitions. From menstruation and reproductive health to pregnancy and motherhood, and later life stages such as menopause, quietly creating forms of connection and community. My own experience with menstruation was one of the first times I noticed how these unspoken communities began to form. When I got my first period, it felt like a secret I was embarrassed to carry.