Testosterone is the main sex hormone found in men. It controls male physical features. The testes (testicles) make testosterone. Women have testosterone too but in much smaller amounts than in men.
Estrogen is one of two main sex hormones that women have. The other one is progesterone. Estrogen is responsible for female physical features and reproduction. Men have estrogen, too, but in smaller amounts.
Fertility and menstruation are largely controlled by hormones, and one of these hormones is progesterone. Understanding progesterone and what it does will help women make informed choices about their reproductive health.
Progesterone is one of the progesterone steroid hormones. It is secreted by the corpus luteum, a temporary endocrine gland that the female body produces after ovulation during the second half of the menstrual cycle.