October 1988 in “Pediatric research” Certain maturity signs appear before and after the first release of sperm in boys.
39 citations
,
January 2019 in “The World Journal of Men's Health” Testosterone replacement therapy can prevent men from fathering children and should not be used by those wanting to stay fertile.
23 citations
,
October 2015 in “Andrology” New male hormonal contraceptives show promise but need more research on long-term effects and funding for larger trials.
255 citations
,
September 2016 in “Frontiers in plant science” Reactive oxygen species (ROS) help control plant growth and development.
2 citations
,
September 2008 in “Fertility and Sterility” Adult offspring of sperm donation generally feel positive about their conception and view the donor as their biological father.
September 2008 in “Fertility and Sterility” Greater intimacy leads to better self-reported health in couples having infertility treatment.
September 2008 in “Fertility and Sterility” Men and women in infertile couples feel using donor sperm may cause more stress and marital issues than using donor eggs.
November 2017 Stem cells regenerate tissues and their behavior varies by environment, suggesting the hematopoietic system model may need revision.
20 citations
,
June 2012 in “Fertility and Sterility” Finasteride causes lasting fertility decrease in rats.
2 citations
,
September 2008 in “Fertility and Sterility” Women with PCOS and higher BMI, especially those with morbid obesity, are at greater risk for depression.
56 citations
,
February 2015 in “F1000 prime reports” Root hair growth in plants is a complex process controlled by many factors working together.
23 citations
,
June 2019 in “Biochimica and biophysica acta. Molecular and cell biology of lipids” Different sPLA2 enzymes affect immunity, skin and hair health, reproduction, and may be potential targets for therapy.
1 citations
,
May 2011 in “Journal of Human Reproductive Sciences” Finasteride may decrease semen quality but not harm sperm production, and stopping the drug can improve semen quality; hyperprolactinemia can cause infertility but is treatable with medication.
26 citations
,
October 2014 in “Andrologia” Infertile men are more likely to produce sperm with abnormal chromosome numbers, which can affect pregnancy success and embryo health.
35 citations
,
February 2005 in “Biology of Reproduction” PNU157706 reduced rat sperm movement and fertility without affecting offspring health.
June 2022 in “Journal of Experimental Biology and Agricultural Sciences” Higher testosterone harms sperm motility, while higher estradiol improves sperm survival.
4 citations
,
September 2020 in “Andrologia” Oregano extract helps fix testis and sperm damage caused by finasteride.
October 2017 in “Springer eBooks” A thorough initial check-up is essential before sperm banking to ensure the best chance of preserving good quality sperm.
11 citations
,
March 2010 in “International Journal of Andrology” Finasteride 1-mg doesn't harm sperm or pregnancy chances.
5 citations
,
May 2008 in “Acta Cirurgica Brasileira” Finasteride causes sperm production decrease in Mesocricetus auratus.
1 citations
,
September 2023 in “Chemical engineering journal” A new microneedle patch treats hair loss effectively with fewer side effects and less frequent use.
14 citations
,
May 2021 in “Marine Drugs” PDRN, derived from salmon sperm, shows promise in healing wounds, reducing inflammation, and regenerating tissues, but more research is needed to understand its mechanisms and improve its use.
April 2015 in “Andrology” HNG may help prevent the negative effects of chemotherapy on sperm production and white blood cell counts.
March 2016 in “Dermatologica Sinica” Men with severe hair loss may have poorer sperm quality.
49 citations
,
August 1996 in “The Journal of Clinical Endocrinology and Metabolism” The combination of cyproterone acetate and testosterone enanthate is highly effective in preventing sperm production and could be a good reversible male contraceptive.
2 citations
,
January 2015 in “Springer eBooks” Environmental factors and exposure to toxins may contribute to male infertility by affecting sperm and hormone function.
16 citations
,
January 2017 in “Asian journal of andrology/Asian Journal of Andrology” Men who start puberty later may have lower sperm quality and different hormone levels in adulthood.
77 citations
,
June 2015 in “Nature Reviews Urology” Some common medications can harm male fertility, but many effects can be reversed.
18 citations
,
November 2009 in “Journal of Molecular Endocrinology” Finasteride exposure harms tadpole reproduction and hormone balance.
1 citations
,
July 2023 in “F&S Reviews” Some common medications may harm male fertility by affecting hormones, sperm production, and sexual function.