progesterone
noun /prəˈdʒestərəʊn/
/prəˈdʒestərəʊn/
[uncountable]- a hormone produced in the bodies of women and female animals which prepares the body to become pregnant and is also used in contraception compare oestrogen, testosteroneWord Origin1930s: blend of progestin and the German synonym Luteosteron (from corpus luteum + sterol).