progesterone

synonym: pregn-4-ene-3,20-dione
https://doi.org/10.1351/goldbook.11136

Steroidal hormone produced in the ovary by the corpus luteum.

Note: Progesterone is involved in sexual development and the ovarian cycle, and essential for maintenance of pregnancy.
Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 796 [Terms] [Paper]