Glycopeptide hormone, produced by the fetal placenta, that maintains the function of the corpus luteum during the first few weeks of pregnancy.
Source:
PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 761 (https://doi.org/10.1515/pac-2015-1202)