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research Effect of Testosterone, Dihydrotestosterone, Estradiol, and Cortisol on the Quality of Fresh and Cryopreserved Stallion Sperm
Higher testosterone harms sperm motility, while higher estradiol improves sperm survival.
research 5α-Reductase Inhibitors and Male Reproduction
5α-Reductase inhibitors can negatively affect male sexual function and, in some cases, significantly reduce sperm count, but these effects may be reversible.
research The Effect of 5α-Reductase Inhibition with Dutasteride and Finasteride on Semen Parameters and Serum Hormones in Healthy Men
Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.
research Timing of Puberty in Relation to Semen Characteristics, Testicular Volume, and Reproductive Hormones: A Cohort Study
Men who went through puberty later had lower sperm counts and altered hormone levels, possibly affecting fertility.
research Is Age at Puberty Associated with Semen Quality and Reproductive Hormones in Young Adult Life?
Men who start puberty later may have lower sperm quality and different hormone levels in adulthood.
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5 / 976 resultscommunity H as anyone done sperm/fertility test before and after staring finasteride?
The conversation discusses the impact of finasteride on sperm, including potential side effects like decreased ejaculate volume and total sperm count. Users share experiences and concerns about fertility tests before and after starting finasteride.
community Dutasteride Infertility Debunked: Low T causes true infertility.
Dutasteride and finasteride may temporarily affect semen quality but are unlikely to cause permanent infertility. The Kim et al. study is criticized for poor methodology, and many prefer hair retention over potential fertility concerns, using treatments like dutasteride, finasteride, and minoxidil.
community Fresh off the press: Dutasteride may cause chronic infertility
Dutasteride may cause chronic infertility by reducing semen volume and motility, with concerns about irreversible prostate fibrosis. Users consider switching to finasteride or using treatments like minoxidil and microneedling, weighing hair preservation against fertility.
community Ashton Kutcher is one of the OG’s. He noticed a little hair loss at age 25 and hopped right on avodart (dutasteride) to have luscious hair, he was on it for over 10 years
The conversation is about hair loss treatments, specifically mentioning avodart (dutasteride) and finasteride. There is speculation about whether Ashton Kutcher is still using these treatments or if he uses hair systems for his roles in movies.
community Switched from fin 1mg to dut 0.5mg
The user switched from finasteride to dutasteride and experienced noticeable hair regrowth without side effects, though some users questioned the necessity of such a potent treatment given the minimal hair loss. The conversation also touched on potential side effects of dutasteride, such as reduced sperm quality, but the user reported no issues.