ANATOMY

Detailed explanation-1: -Estrogen also induces growth of the uterus, proliferation of the endometrium, and menstruation. Female secondary sex characteristics include: Enlargement of breasts and erection of nipples. Growth of body hair, most prominently underarm and pubic hair. Widening of hips; lower waist to hip ratio than adult males.

Detailed explanation-2: -The primary function of estrogens is development of female secondary sexual characteristics. These includes breasts, endometrium, regulation of the menstrual cycle etc. In males estrogen helps in maturation of the sperm and maintenance of a healthy libido.

Detailed explanation-3: -Estradiol is responsible for the development of secondary sexual characteristics, that is, growth and development of the breasts and reproductive organs, fat redistribution (hips, breasts), and bone maturation.

Detailed explanation-4: -In addition to regulating the menstrual cycle, estrogen affects the reproductive tract, the urinary tract, the heart and blood vessels, bones, breasts, skin, hair, mucous membranes, pelvic muscles, and the brain.