Mental disorders affect women and men differently. Including depression and anxiety, some mental health disorders are more common in women. Other mental health disorders that affect women more often than men include panic disorder (PD), post-traumatic stress disorder (PTSD), and generalized anxiety disorder (GAD). There are also certain types of disorders that are unique to women, such as mental disorders at times of hormone change, including premenstrual dysphoric disorder, perinatal depression, and perimenopause-related depression. Exposure to violence makes women up to four times more likely to be diagnosed with depression. Women who were exposed to a violent partner as an adult, or to sexual abuse as a child, are diagnosed with depression at a much higher rate.