research Time Lags Between Various Maturity Measures and Spermarche
Certain maturity signs appear before and after the first release of sperm in boys.
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research Testosterone Is a Contraceptive and Should Not Be Used in Men Who Desire Fertility
Testosterone replacement therapy can prevent men from fathering children and should not be used by those wanting to stay fertile.
research Updates to Male Infertility: AUA/ASRM Guideline 2024
The 2024 guideline updates recommendations for genetic testing, imaging, and sperm retrieval in male infertility.
research Male Hormonal Contraception: Looking Back and Moving Forward
New male hormonal contraceptives show promise but need more research on long-term effects and funding for larger trials.
research How Does pH Fit in with Oscillating Polar Growth?
pH, calcium, and reactive oxygen species regulate plant cell growth, with key roles for NADPH oxidases and plasma membrane H+-ATPases.
research Reactive Oxygen Species: Beneficial Companions of Plant Developmental Processes
Reactive oxygen species (ROS) help control plant growth and development.
research The Voices of Adult Offspring of Sperm Donation: Forces for Change Within Assisted Reproductive Technology in the United States
Adult offspring of sperm donation generally feel positive about their conception and view the donor as their biological father.
research The Relationship Between Intimacy and Subjective Health in Couples Undergoing Infertility Treatment
Greater intimacy leads to better self-reported health in couples having infertility treatment.
research The Perception of Donor Gametes from Male and Female Members of Infertile Couples
Men and women in infertile couples feel using donor sperm may cause more stress and marital issues than using donor eggs.
research Stem Cells in the Body
Stem cells regenerate tissues and their behavior varies by environment, suggesting the hematopoietic system model may need revision.
research Morphometric-Stereological and Functional Epididymal Alterations and a Decrease in Fertility in Rats Treated with Finasteride and After a 30-Day Post-Treatment Recovery Period
Finasteride causes lasting fertility decrease in rats.
research Factors Associated With Risk for Depression Among Women With Polycystic Ovarian Syndrome
Women with PCOS and higher BMI, especially those with morbid obesity, are at greater risk for depression.
research Root Hair Growth: It's a One Way Street
Root hair growth in plants is a complex process controlled by many factors working together.
research Quaternary Ammonium Iminofullerenes Improve Root Growth of Oxidative-Stress Maize Through ASA-GSH Cycle Modulating Redox Homeostasis of Roots and ROS-Mediated Root-Hair Elongation
Quaternary ammonium iminofullerenes help maize roots grow better under stress by reducing oxidative damage.
research Group IID, IIE, IIF, and III Secreted Phospholipase A2s
Different sPLA2 enzymes affect immunity, skin and hair health, reproduction, and may be potential targets for therapy.
research Finasteride and Male Fertility
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.
research Adverse Effects of Common Medications on Male Fertility
Some common medications can harm male fertility, but many effects can be reversed.
research Effects of PNU157706, a Dual 5α-Reductase Inhibitor, on Rat Epididymal Sperm Maturation and Fertility
PNU157706 reduced rat sperm movement and fertility without affecting offspring health.
research Sperm Aneuploidy in Infertile Male Patients: A Systematic Review of the Literature
Infertile men are more likely to produce sperm with abnormal chromosome numbers, which can affect pregnancy success and embryo health.
research Origanum Vulgare L. Leaves Extract Alleviates Testis And Sperm Damages Induced By Finasteride: Biochemical, Immunohistological And Apoptosis Genes Based Evidences
Oregano extract helps fix testis and sperm damage caused by finasteride.
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 What Should It Take to Describe a Substance or Product as 'Sperm-Safe'?
Products should be called 'sperm-safe' only after thorough, well-designed tests.
research The First Visit: Consultation and Workup Before Sperm Banking
A thorough initial check-up is essential before sperm banking to ensure the best chance of preserving good quality sperm.
research Role of Environmental Factors and Gonadotoxin Exposure in Unexplained Male Infertility
Environmental factors and exposure to toxins may contribute to male infertility by affecting sperm and hormone function.
research Abstracts from the ASA 40th Annual Meeting
HNG may help prevent the negative effects of chemotherapy on sperm production and white blood cell counts.
research Assessment of Semen Quality in Patients with Androgenetic Alopecia in an Infertility Clinic
Men with severe hair loss may have poorer sperm quality.
research Effect of 1-Mg Dose of Finasteride on Spermatogenesis and Pregnancy
Finasteride 1-mg doesn't harm sperm or pregnancy chances.
research The Effect of Finasteride on Spermatogenesis of Mesocricetus Auratus
Finasteride causes sperm production decrease in Mesocricetus auratus.
research Combining Rapid Degrading Microneedles With Slow-Released Drug Delivery System for the Treatment of Alopecia Areata
A new microneedle patch treats hair loss effectively with fewer side effects and less frequent use.
research Applications of Marine Organism-Derived Polydeoxyribonucleotide: Its Potential in Biomedical Engineering
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.