Have you ever noticed that trauma and PMDD often seem to show up together?
That’s not just a clinical observation. Research has found a strong association between post-traumatic stress disorder (PTSD) and Premenstrual Dysphoric Disorder (PMDD), suggesting that these conditions may overlap more often than we once thought.
PMDD isn’t caused by having “too many hormones.” It’s understood to involve an increased sensitivity to the normal hormonal fluctuations that occur throughout the menstrual cycle. At the same time, PTSD reflects lasting changes in how the brain and nervous system respond to stress after experiencing trauma.
While they’re distinct conditions, they may influence one another in meaningful ways.
One study found that women with PTSD were significantly more likely to report PMDD than women without a history of trauma. Researchers also found that women who had experienced trauma, even without developing PTSD, had a higher likelihood of PMDD compared to those with no trauma history (Pilver et al., 2011). These findings suggest that understanding someone’s trauma history may be an important part of understanding their menstrual mental health.
This doesn’t mean everyone with PMDD has experienced trauma, or that trauma causes PMDD. Correlation isn’t causation. But it does remind us that mental health is rarely explained by a single factor.
For mental health professionals, this highlights the importance of completing a comprehensive intake. If a client presents with severe mood changes, anxiety, irritability, or hopelessness that seem to intensify before their period, it may be worth exploring whether those symptoms follow a cyclical pattern. Likewise, for clients with PTSD, asking about menstrual cycle changes may uncover symptoms that have been overlooked for years.
The more we understand the connections between hormones, the nervous system, and trauma, the better equipped we are to provide care that addresses the whole person rather than treating symptoms in isolation.