Sperm count: Do we need a new reference value?
- Published: 01 Mar 2010
- Publisher: INIESTARES, S.A.
- University of Antioquia Colombia
**1. WHO. WHO Laboratory Manual for the Examination of Human Semen and Sperm-Cervical Mucus Interaction. Cambridge: Cambridge University Press; 1999.
2. Sandler B. The male factor in human sterility. J Obstet Gynaecol Br Emp. 1953; 60(1):67-75.
3. Macleod J, Gold RZ. The male factor in fertility and infertility. II. Spermatozoon counts in 1000 men of known fertility and in 1000 cases of infertile marriage. J Urol, 1951; 66(3):436-49.
*4. Guzick DS, Overstreet JW, Factor-Litvak P, Brazil CK, Nakajima ST, Coutifaris C, et al. Sperm morphology, motility, and concentration in fertile and infertile men. N Engl J Med, 2001;345(19):1388- 93. 5. Carlsen E, Giwercman A, Keiding N, Skakkebaek NE. Evidence for decreasing quality of semen during past 50 years. BMJ, 1992; 305(6854):609- 13.
*6. de los Rios J, Cardona WD, Berdugo JA, Correa C, Arenas A, Olivera-Angel M, et al. [Sperm parameters in 113 subjects after recent fatherhood did not correlate with WHO standards]. Arch Esp Urol, 2004; 57(2):147-52.
7. Sobreiro BP, Lucon AM, Pasqualotto FF, Hallak J, Athayde KS, Arap S. Semen analysis in fertile patients undergoing vasectomy: reference values and variations according to age, length of sexual abstinence, seasonality, smoking habits and caffeine intake. Sao Paulo Med J. 2005; 123(4):161-6.
8. Pasqualotto FF, Sobreiro BP, Hallak J, Athayde KS, Pasqualotto EB, Lucon AM. High percentage of abnormal semen parameters in a prevasectomy population. Fertil Steril. 2006; 85(4):954-60. [OpenAIRE]
*9. Sobrero AJ, Rehan NE. The semen of fertile men. II. Semen characteristics of 100 fertile men. Fertil Steril. 1975; 26(11):1048-56.
10. Crazzolara S, Wunder D, Nageli E, Bodmer C, Graf S, Birkhauser MH. Semen parameters in a fertile Swiss population. Swiss Med Wkly. 2007; 137(11-12):166-72.
11. Bahamondes L, Abdelmassih R, Dachs N. Survey of 185 Sperm Analyses of Fertile Men in an Infertility Service. International Journal of Andrology. 1979; 2(1-6):526-33.
12. Jorgensen N, Andersen AG, Eustache F, Irvine DS, Suominen J, Petersen JH, et al. Regional differences in semen quality in Europe. Hum Reprod, 2001; 16(5):1012-9.
*13. Haugen TB, Egeland T, Magnus O. Semen parameters in Norwegian fertile men. J Androl. 2006, 27(1):66-71. 14. Berdugo J, Cardona Maya W, F.T. A-R, Cadavid AP. Semen parameters in fertile men from two South American populations. Arch Esp Urol, 2009; 62 (8): 646-50. [OpenAIRE]
**15. Ombelet W, Bosmans E, Janssen M, Cox A, Vlasselaer J, Gyselaers W, et al. Semen parameters in a fertile versus subfertile population: a need for change in the interpretation of semen testing. Hum Reprod. 1997; 12(5):987-93.
16. Sobowale OB, Akiwumi O. Testicular volume and seminal fluid profile in fertile and infertile males in Ilorin, Nigeria. Int J Gynaecol Obstet, 1989; 28(2):155-61.
17. Badenoch DF, Evans SJ, McCloskey DJ. Sperm density measurement: should this be abandoned? Br J Urol, 1989; 64(5):521-3.