Title: sperm motility Long Title: IUPAC Gold Book - sperm motility DOI: 10.1351/goldbook.10977 Status: current Definition Energy-dependent forward movement of the sperm, allowing it to reach and penetrate the egg. Note Decreased sperm motility is an indicator of reduced fertility. Related Terms - egg: https://goldbook.iupac.org/terms/view/10640 - fertility: https://goldbook.iupac.org/terms/view/10710 - sperm: https://goldbook.iupac.org/terms/view/11243 Source - PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 781 (https://doi.org/10.1515/pac-2015-1202) Other Outputs - html: https://goldbook.iupac.org/terms/view/10977/html - json: https://goldbook.iupac.org/terms/view/10977/json - xml: https://goldbook.iupac.org/terms/view/10977/xml Citation: Citation: 'sperm motility' 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.10977 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. Collection: If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . 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: 2026-05-10T09:28:39+00:00