Estrogen and progesterone are the two main sex hormones produced by the ovaries in women. These hormones are crucial components of women’s health and wellness. Not only do they contribute a woman’s menstrual cycle and the ability to conceive, and maintain a pregnancy, they also impact our mood, sex drive, bone density, skin health, heart health, and immune health. In cycling women, estrogen rises in the first half of the menstrual cycle, and contributes to the thickening of