Estrone (E1) is a form of estrogen primarily produced in fat tissue. It is the dominant estrogen in postmenopausal women and plays a role in reproductive health and bone metabolism.
Category: Hormones
Also known as: estrone, e1, oestrone
Reference range: 10–60 pg/mL (Source: ABIM)
Standard unit: pg/mL
High values may indicate
High estrone levels may indicate obesity (increased aromatase activity in fat tissue), estrogen-producing tumors, liver disease, or hormone replacement therapy.
Low values may indicate
Low estrone levels may indicate ovarian insufficiency, menopause, anorexia nervosa, or pituitary disorders, and can contribute to bone loss and menopausal symptoms.