Wondering what PMDD is after reading the title? You're likely in good company. Although Premenstrual Dysphoric Disorder (PMDD) affects between 3 and 4 million women in the US, it is still a relatively unknown disorder that is often misdiagnosed.To help us understand what PMDD is and how it impacts women and their families, Marybeth Bohn joins Robin for this important episode. Marybeth's daughter, Christina, battled PMDD for more than a decade before Marybeth helped lead doctors to her diagnos...