Myth or truth: women shouldn’t be making big decisions during PMS? Contrary to what some may think, many women don’t even have PMS before their periods. But should those who do be making important decisions when experiencing hormonal changes and mood swings? Women’s health expert Dr. Kirtly Parker Jones gives the facts about premenstrual syndrome and how it really affects a woman’s mental and emotional state. She also introduces the RULER Project, which can be used to help women manage PMS.