A recovery of spermatogenetic process was observed. Chronic treatment with finasteride daily does not affect spermatogenesis or semen production in young men. Though androgens are essential to spermatogenesis, the relative contributions of testosterone and DHT are unknown, the authors noted. I seriously doubt people are shooting blanks after being on dutasteride or finasteride. Login to update email address, newsletter preferences and use bookmarks. With what is known presently, we believe it is important that clinicians prescribing these medications be aware that there are some men in whom low-dose finasteride will have a negative effect on semen parameters. If Mercks are lying
The hormone parameters, sperm motility, and sperm morphology were unchanged after cessation. This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3. Average sperm count increased fourfold and by as much as fold when the men stopped using the low-dose finasteride product, according to Keith Jarvi, MD , of Mount Sinai Hospital and the University of Toronto, and co-authors. To determine the degree of improvement in semen parameters after finasteride discontinuation. In both treatment groups, total sperm count compared to baseline was significantly decreased at 26 weeks D Overstreet's study  would suggest that the use of low-dose finasteride is unlikely to result in reduced sperm counts in men who initially have normal sperm parameters. J Hum Reprod Sci.