Isabel Casimiro, MD, PhD, is an endocrinologist at the University of Chicago in Illinois. As a physician-scientist in molecular biology, she uses her research on diabetes, lipid disorders, ...

Estrogen is the main female hormone that is produced from birth through menopause. But what does it do? Made up of estrone, estradiol, and estriol, estrogen fluctuates throughout a woman’s life, ...

Menopause brings a lot of change, and it’s normal to feel uncertain about what’s happening in your body. Two of the most important hormone players in this transition are estrogen and progesterone.