Melinda French Gates: "It took me three doctors to really diagnose" my perimenopause symptoms

Melinda French Gates recalled to Norah O'Donnell on "Healthful" that she started getting perimenopause symptoms in her early 40s. "I kind of couldn't believe it because I just finished having my last child in my late 30s," French Gates said. French Gates added it took three doctors to diagnose her symptoms and to get her the right treatments.