2010 WHO reference values for normal sperm parameters
| Parameter | Lower reference limit 2010 |
|---|---|
| Semen volume | 1.5 mL |
| Sperm concentration | 15 × 106 spermatozoa/mL |
| Total sperm number | 39 × 106 spermatozoa/ejaculate |
| Progressive motility | 32% |
| Total motility | 40% |
| Vitality (live sperms) | 58% |
| Sperm morphology | 4% |
| pH | ≥ 7.2 |
| Leucocyte | < 1 × 106 leucocytes/mL |
| Mixed antiglobulin reaction (MAR)/immunobead test | < 50% |
The research team sincerely appreciates Laboratoire d’Excellence (LABEX) for their cooperation and support to carry out this study. Sincere gratitude also goes to all participants of the study.
BT, AO and COA contributed conception and design of the study; BT organized the database; EVV and BT performed statistical analysis; BT wrote the first draft of the manuscript; AO, COA and EVV corrected sections of the manuscript. All authors contributed to manuscript revision, read, and approved the submitted version.
The authors declare that they have no conflicts of interest.
Ethical approval was obtained from the local institutional review board: University of Ibadan/University College Hospital Ethical Committee (UI/UCH EC) and Cameroon National Ethical Committee of Research for Human Health (NECRHH).
Informed consent to participate in the study was obtained from all participants.
Not applicable.
Access to any data was restricted only to the members of the study team who stored the data in a secure database to respect the confidentiality. The results of the study have been used for scientific purposes only.
Funding was received from the African Union in the form of scholarship. The funders had no role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript.
© The Author(s) 2022.