Final answer:
Estradiol valerate is a form of Estradiol, a type of estrogen used in hormone replacement therapy. Its major roles are in regulating the menstrual cycle and developing female secondary sexual characteristics, as well as aiding in ovulation and pregnancy.
Step-by-step explanation:
Estradiol valerate is a form of estrogen, specifically Estradiol, which is a naturally occurring hormone in the human body. It is a type of medication used in hormone replacement therapy, primarily for menopause symptoms and in transgender hormone therapy.
The two major roles of estrogen in females include the regulation of the menstrual cycle and the development of female secondary sexual characteristics. In regards to the female reproductive system, the main roles are ovulation, implantation of the fertilized egg, and maintenance of pregnancy. It is a synthetic form of the hormone estradiol, which is the primary sex hormone in females. Estradiol valerate is commonly used as a hormone replacement therapy for menopausal symptoms.
Estradiol, being a type of estrogen, plays crucial roles in maintaining bone density, modulating metabolism, and maintaining the function of different organs such as the heart and skin. Estradiol valerate is a longer-acting form of estradiol that is converted into active estradiol in the body.