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research Effect of Testosterone, Dihydrotestosterone, Estradiol and Cortisol on the Quality of Fresh and Cryopreserved Stallion Sperm

June 2022 in “Journal of Experimental Biology and Agricultural Sciences”

This study found that steroid hormones influence the quality indicators of fresh and cryopreserved stallion sperm, with testosterone negatively correlated with motility and estradiol positively correlated with survival rate.

research Is age at puberty associated with semen quality and reproductive hormones in young adult life?

16 citations , January 2017 in “Asian journal of andrology/Asian Journal of Andrology”

This study found that older age at puberty may be associated with lower semen quality and altered reproductive hormone levels in young men, though only some results were statistically significant.

research (798) Finasteride 1 mg: Silent Impacts on Male Fertility Despite Preserved Hormonal Balance

June 2026 in “The Journal of Sexual Medicine”

This study determined that men taking finasteride 1 mg/day exhibited significantly reduced sperm production and morphology compared to controls, although there were no notable changes in hormonal, sexual, or psychological function.

research Semen Parameters Among Transgender Women With a History of Hormonal Treatment

68 citations , February 2019 in “Urology”

Hormonal treatment in transgender women reduces semen quality, but stopping treatment may improve it.

research 5α-Reductase Inhibitors (5ARIs) and Male Reproduction

15 citations , January 2017 in “Advances in Experimental Medicine and Biology”

This review discusses the effects of 5ARI drugs on male reproductive parameters, reporting potential decreases in sperm count and motility more significantly in men with pre-existing oligozoospermia, but does not provide fertility outcomes.

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community H as anyone done sperm/fertility test before and after staring finasteride?

6 upvotes 6 years ago

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 Male (24) Using Dutasteride Since 2020 – Concerns About Having Kids

in Finasteride/Dutasteride 90 upvotes 1 year ago

A 24-year-old male using dutasteride for hair loss is worried about its effects on fertility and future children's health. Users advise consulting a doctor, possibly switching to finasteride, or stopping dutasteride before conception due to its impact on sperm count.

community IVF process on Finasteride and effects of stopping finasteride.

138 upvotes 9 months ago

Concerns about finasteride affecting sperm quality and embryo abnormalities during IVF. The user plans to stop finasteride for 6 months and use minoxidil, microneedling, a red light cap, and saw palmetto shampoo to manage hair loss.

community Finasteride and fertility. Personal report.

in Finasteride/Dutasteride 829 upvotes 1 year ago

Finasteride can affect sperm quality, but fertility usually returns after stopping it, as shown by a user who conceived four months after discontinuation. Some users successfully conceive while on finasteride, though some prefer to pause its use to minimize risks.

community Has anyone seen the data on this 539% boost breakthrough?

866 upvotes 6 months ago

Topical Clascoterone showed a 539% improvement in hair count compared to placebo, but its effectiveness and safety are debated. Users compared it to minoxidil and finasteride, with mixed opinions on its potential release in 2026 or 2027.

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