[ Oestrogen, Estrogen ]
Any of a class of [ Steroid ] Any of a class of organic compounds that contains four rings of carbon atoms (three six-membered and one five). They include certain alkaloids, hormones and vitamins. More [ hormone ] A substance that acts as a signal between organs and tissue to regulate physiology and behaviour. Hormones are secreted directly into the circulatory system by specialised cells in glands and other organs. They regulate metabolic activities, growth More which regulate the development and maintenance of the female reproductive system and other sexual characteristics.
Synthetic oestrogen is widely use in oral contraceptives and to treat menopausal and menstrual disorders.