Estrone is a naturally occurring estrogen hormone, primarily produced in the ovaries, adrenal glands, and fat tissue. It is one of the three main estrogens, alongside estradiol and estriol, and plays a key role in the female reproductive system.

Function:
Estrone regulates various physiological processes, including the menstrual cycle and reproductive function. It has a weaker estrogenic effect compared to estradiol but is still crucial for maintaining hormonal balance in women, particularly after menopause.

Applications:

· Hormonal Therapy: Used in hormone replacement therapy (HRT) for postmenopausal women to manage symptoms like hot flashes and osteoporosis.

· Menstrual Disorder Treatment: Helps regulate irregular menstrual cycles and support fertility treatments.

· Breast Cancer: Estrone is used in certain treatments to manage estrogen-sensitive cancers.