Oestradiol

[Jason Yan]

a naturally occurring female hormone that can be produced chemically and used as a drug

[Mark Zuckerberg]

Oestradiol is a steroid hormone made from cholesterol and is the strongest of the three naturally produced oestrogens. Oestradiol also promotes development of breast tissue and increases both bone and cartilage density. In premenopausal women, oestradiol is mostly made by the ovaries.