Are sperm counts declining? or did we just change our spectacles?

Asian Journal of Andrology

Volumn 15, Issue 2, 2013, Pages 187-190

  Pacey, Allan A ^a  

^a UNIVERSITY OF SHEFFIELD   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTER ANALYSIS; HUMAN; LABORATORY TEST; NOTE; PRACTICE GUIDELINE; QUALITY CONTROL; SEMEN ANALYSIS; SPERMATOZOON COUNT; WORLD HEALTH ORGANIZATION;

HUMANS; MALE; OLIGOSPERMIA; QUALITY CONTROL; SPERM COUNT;

EID: 84874610793     PISSN: 1008682X     EISSN: 17457262     Source Type: Journal    
DOI: 10.1038/aja.2012.165     Document Type: Note

References (32)

1. Roe v Minister of Health and Anr. Court of Appeal. 1954; 2QB66.
2. Carlsen E, Giwercman A, Keiding N, Skakkebaek NE. Evidence for decreasing quality of semen during past 50 years. BMJ 1992; 305: 609-13.
3. TummonIS, Mortimer D. Decreasing quality of semen. BMJ 1992; 305: 1228-9.
4. Fisch H. Declining worldwide sperm counts: disproving a myth. Urol Clin North Am 2008; 35: 137-46.
5. MacLeod J. Human semen. Fertil Steril 1956; 7: 368-86.
6. World Health Organization. WHO Laboratory Manual for the Examination of Human Semen and Sperm-Cervical Mucus Interaction. 1st ed. Singapore: Press Concern; 1980.
7. World Health Organization. WHO Laboratory Manual for the Examination of Human Semen and Sperm-Cervical Mucus Interaction 2nd ed. Cambridge: Cambridge University Press; 1987. p67.
8. World Health Organization. WHO Laboratory Manual for the Examination of Human Semen and Sperm-Cervical Mucus Interaction. 3rd ed. Cambridge: Cambridge University Press; 1992. p107.
9. World Health Organization. WHO Laboratory Manual for the Examination of Human Semen and Sperm-Cervical Mucus Interaction 4th ed. Cambridge: Cambridge University Press; 1999. p128.
10. World Health Organization. WHO Laboratory Manual for the Examination and Processing of Human Semen. 5th ed. Geneva: World Health Organization; 2010. p271.
11. Menkveld R, Van Zyl JA, Kotze TJ. A statistical comparison of three methods for the counting of human spermatozoa. Andrologia 1984; 16: 554-8.
12. Imade GE, Towobola OA, Sagay AS, Otubu JA. Discrepancies in sperm count using improved Neubauer, Makler, and Horwells counting chambers. Arch Androl 1993; 31: 17-22.
13. Christensen P, Stryhn H, Hansen C. Discrepancies in the determination of sperm concentration using Bü rker-Tü rk, Thoma and Makler counting chambers. Theriogenology 2005; 63: 992-1003.
14. Bjorndahl L, Barratt CL, Fraser LR, Kvist U, Mortimer D. ESHRE basic semen analysis courses 1995-1999: immediate beneficial of standardized training. Hum Reprod 2002; 17: 1299-305.
15. Franken DR, Aneck-Hahn N, Lombaard C, Kruger TF. Semenology training programs: 8 years' experience. Fertil Steril 2010; 94: 2615-9.
16. Burnett D. Understanding Accreditation in Laboratory Medicine. London: ACB Venture Publications; 1996. p312.
17. Pacey AA. Is quality assurance in semen analysis still really necessary? A view from the Andrology Laboratory. Hum Reprod 2006; 21: 1105-9.
18. Pacey AA. Quality assurance and quality control in the andrology laboratory. Asian J Androl 2010; 12: 21-5.
19. Whitehead TP, Woodford FP. External quality assessment of clinical laboratories in the United Kingdom. J Clin Pathol 1981; 34: 947-57.
20. Cooper TG, Atkinson A, Nieschlag E. Experience with external quality control in spermatology. Hum Reprod 1999; 14: 765-9.
21. Neuwinger J, Bejre H, Nieschlag E. External Quality Control in the andrology laboratory: an experimental multicenter trial. Fertil Steril 1990; 54: 308-14.
22. Matson PL. External quality assessment for semen analysis and sperm antibody detection: results of a pilot scheme. Hum Reprod 1995; 10: 620-5.
23. Jequier AM. Is quality assurance in semen analysis still really necessary? A clinician's viewpoint. Hum Reprod 2005; 20: 2039-42.
24. Holt WV. Is quality assurance in semen analysis still really necessary? A spermatologist's viewpoint. Hum Reprod 2005; 20: 2983-6.
25. Castilla JA, Alvarez C, Aguilar J, Gonzá lez-Varea C, Gonzalvo MC et al. Influence of analytical and biological variation on the clinical interpretation of seminal parameters. Hum Reprod 2005; 21: 847-51.
26. Clinical Pathology Accreditation Standards for the Medical Laboratory. Sheffield: Clinical Pathology Accreditation Ltd; 2007. p57.
27. Directive 2004/23/EC of the European Parliament and of the Council of 31 March 2004 on setting standards of quality and safety for the donation, procurement, testing, processing, preservation, storage and distribution of human tissues and cells. Off J Eur Union 2004; 47: L102/48-58.
28. Tomlinson M. Is your andrology service up to scratch? Hum Fertil (Camb) 2010; 13: 194-200.
29. Rolland M, Le Moal J, Wagner V, Royé re D, de Mouzon J. Decline in semen concentration and morphology in a sample of 26,609 men close to general population between 1989 and 2005 in France. Hum Reprod 2012 Dec 4. [Epub ahead of print].
30. Wilcox AJ. On sperm counts and data responsibility. Epidemiology 2011; 22: 615-6.
31. Bonde JP, Ramulau-Hansen CH, Olsen J. Trends in sperm counts. The saga continues. Epidemiology 2011; 22: 1-3.
32. Sánchez-Pozo MC, Mendiola J, Serrano M, Mozas J, Bjö rndahl L et al. On behalf of the Special Interest Group in Andrology (SIGA) of the European Society of Human Reproduction and Embryology. Proposal of guidelines for the appraisal of SEMen QUAlity studies (SEMQUA). Hum Reprod 2013; 28: 10-21.