Hum. Reprod. Advance Access originally published online on May 3, 2007
Human Reproduction 2007 22(7):2072; doi:10.1093/humrep/dem093
© The Author 2007. Published by Oxford University Press on behalf of the European Society of Human Reproduction and Embryology. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org
Letters to the Editor |
Sperm forward motion and aging
1 Department of Urology, Institute of Biotechnology, University of Caxias do Sul, RS, Brazil 2 Department of Gynecology, Center for Biological and Health Sciences, University of Caxias do Sul, RS, Brazil
3 Correspondence address. E-mail: fabio.conception@terra.com.br
| The first 10% of the full text of this article appears below. |
Sir,
We read with great interest the recent article by Sloter et al. (2006)
who suggested that the average man may become progressively less fertile as he ages due to reduced proportions of