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How can I increase my sperm count at age 50? 

Human fertilization
Semen analysis
Sperm motility
Semen
Sperm

Answers from top 8 papers

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Papers (8)Insight
Journal Article•DOI
An evaluation of various treatments to increase sperm penetration capacity for potential use in an in vitro fertilization program
Douglas T. Carrell, Douglas T. Carrell, William S. Bradshaw, William S. Bradshaw, Kirtly Parker Jones, Kirtly Parker Jones, Richard G. Middleton, Richard G. Middleton, C. Matthew Peterson, C. Matthew Peterson, Ronald L. Urry, Ronald L. Urry 
01 Jan 1992-Fertility and Sterility
17 Citations
Three points are emphasized: (1) the treatments analyzed in this study can improve SPA values in some of the patients with low sperm penetration capacity; (2) of the treatments studied, sperm refrigeration resulted in the largest improvement in sperm penetration capacity; and (3) sperm refrigeration can increase fertilization and PRs during IVF in this select group of patients.
Open access•Journal Article•DOI
Decreased expression of cystic fibrosis transmembrane conductance regulator impairs sperm quality in aged men.
Ruiying Diao, Kin Lam Fok, Li Zhao, Hao Chen, Hui Tang, Jing Chen, Aiping Zheng, Xiaohu Zhang, Yaoting Gui, Hsiao Chang Chan, Zhiming Cai 
01 Dec 2013-Reproduction
21 Citations
These results suggest that age-dependent downregulation of CFTR in sperm leads to lowered sperm quality in old age sperm.
Journal Article•DOI
No change with age in semen volume, sperm count and sperm motility in individual men consulting an infertility clinic.
Walter Krause, Barbara Habermann 
02 Jun 2000-Urologia Internationalis
13 Citations
The results of our study do not support the suggestion that the sperm parameters decrease with age.
Journal Article•DOI
Effects of age on DNA double-strand breaks and apoptosis in human sperm.
Narendra P. Singh, Charles H. Muller, Richard E. Berger 
01 Dec 2003-Fertility and Sterility
405 Citations
These novel findings may indicate deterioration of healthy sperm cell selection process with age.
Journal Article•DOI
Age as a limiting factor for successful sperm retrieval in patients with nonmosaic Klinefelter's syndrome.
Hiroshi Okada, Kazumasa Goda, Y. Yamamoto, Nikolaos Sofikitis, Ikuo Miyagawa, Yasuyuki Mio, Mitsunobu Koshida, Shigeo Horie 
01 Dec 2005-Fertility and Sterility
118 Citations
Testicular sperm extraction should be recommended before the critical age of 35 years.
Open access•Journal Article•DOI
Association between Age and Epididymal and Accessory Sex Gland Function and their Relation to Sperm Motility
Saad Elzanaty
01 May 2007-Archives of Andrology
32 Citations
In this cross-sectional study, declined sperm motility observed in men over 50 years of age might be due to age-dependent changes in epididymal and accessory sex gland function.
Journal Article•DOI
Macleod Revisited: Sperm Count Distributions in 374 Fertile Men From 1971 to 1994
Eric R. Emanuel, Erik T. Goluboff, Harry Fisch 
01 Jan 1998-Urology
21 Citations
We find remarkable similarities in sperm count distributions in cohorts of fertile men from 1951 and 1971 to 1994.
Journal Article•DOI
Fertilization rate regulators.
Eskil Hultin, B.E. Hagström 
01 Jan 1955-Experimental Cell Research
9 Citations
Ultrafiltered sperm medium in considerable dilution can retard the ageing of the sperm.

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