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How can I increase my sperm count after 50? 

Obesity
Male infertility
Semen analysis
Sperm motility
Sperm

Answers from top 7 papers

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Papers (7)Insight
Open access•Journal Article•DOI
Therapeutic ultrasound as a potential male contraceptive: power, frequency and temperature required to deplete rat testes of meiotic cells and epididymides of sperm determined using a commercially available system.
James K. Tsuruta, Paul A. Dayton, Caterina M. Gallippi, Michael G. O'Rand, Michael A Streicker, Ryan C. Gessner, Thomas S Gregory, Thomas S Gregory, Erick J. R. Silva, Katherine G. Hamil, Glenda J Moser, David C. Sokal 
30 Jan 2012-Reproductive Biology and Endocrinology
25 Citations
The lowest sperm count was achieved when the coupling medium (3% saline) was held at 37 degrees C and two consecutive 15-minute treatments of 3 MHz ultrasound at 2.2 Watt per square cm were separated by 2 days. The non-invasive nature of ultrasound and its efficacy in reducing sperm count make therapeutic ultrasound a promising candidate for a male contraceptive.
Journal Article•DOI
Sperm motility parameters for Steindachneridion parahybae based on open‐source software
Eduardo Antônio Sanches, Ronan Maciel Marcos, Renan Yoshiharu Okawara, Danilo Caneppele, Robie Allan Bombardelli, Elizabeth Romagosa 
01 Oct 2013-Journal of Applied Ichthyology
31 Citations
These analyses should be performed using 50 frames immediately after sperm activation because spermatozoa quickly lose their vigor.
Journal Article•DOI
A novel microfluidic device for selecting human sperm to increase the proportion of morphologically normal, motile sperm with uncompromised DNA integrity
Bin Zhang, Tailang Yin, Jun Yang 
09 Jul 2015-Analytical Methods
17 Citations
This method can not only minimize damage to the sperm structure, but also increase the effectiveness of selection.
Open access•Journal Article•DOI
Posthumous sperm retrieval: analysis of time interval to harvest sperm
Shai Shefi, Shai Shefi, Gil Raviv, Michael L. Eisenberg, R. Weissenberg, L. Jalalian, Jacob Levron, Gili Band, Paul J. Turek, Igael Madgar, Igael Madgar 
01 Nov 2006-Human Reproduction
59 Citations
Viable sperm is obtainable with PSR well after the currently recommended 24-h time interval.
Journal Article•DOI
Reasons for worldwide decline in male fertility.
Uday Mann, Benjamin Shiff, Premal Patel 
01 May 2020-Current Opinion in Urology
57 Citations
As such, further studies are necessary to evaluate whether this decline in sperm count correlates with decreased fecundity and how to identify and mitigate potential causative factors.
Open access•Journal Article•DOI
Discrepancies in sperm count using improved Neubauer, Makler, and Horwells counting chambers
G. E. Imade, Olakunle Adewunmi Towobola, A. S. Sagay, J. A.M. Otubu 
01 Jul 1993-Archives of Andrology
30 Citations
This study revealed that inherent errors abound when different counting chambers are used for sperm count.
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.

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