Title: chorionic gonadotropin
Long Title: IUPAC Gold Book - chorionic gonadotropin
DOI: 10.1351/goldbook.10517
Status: current

Definition
Hormone secreted by the chorionic villi of the placenta in mammals, especially human chorionic gonadotropin.

Notes
1) Chorionic gonadotropin promotes the secretion of progesterone by the corpus luteum.
2) Human chorionic gonadotropin is the hormone that is detected by pregnancy tests.

Related Terms
- Hormone: https://goldbook.iupac.org//terms/view/10810
- chorionic villi: https://goldbook.iupac.org//terms/view/10519
- corpus luteum: https://goldbook.iupac.org//terms/view/10560
- placenta: https://goldbook.iupac.org//terms/view/11095
- pregnancy: https://goldbook.iupac.org//terms/view/11116
- progesterone: https://goldbook.iupac.org//terms/view/11136

Source
- PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 735 (https://doi.org/10.1515/pac-2015-1202)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/10517/html
- json: https://goldbook.iupac.org/terms/view/10517/json
- xml: https://goldbook.iupac.org/terms/view/10517/xml

Citation: Citation: 'chorionic gonadotropin' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.10517
License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.
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Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.
Accessed: 2026-07-14T18:42:31+00:00