/prəˈdʒestəroʊn/

pro·ges·ter·one

BrE /prəˈdʒestərəʊn/

NAmE /prəˈdʒestəroʊn/

[U]

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, testosterone