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 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 Stem Cells in the Body
Stem cells regenerate tissues and their behavior varies by environment, suggesting the hematopoietic system model may need revision.
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 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 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 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 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 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 Adverse Effects of Common Medications on Male Fertility
Some common medications can harm male fertility, but many effects can be reversed.
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 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.
research Exposure of Xenopus Laevis Tadpoles to Finasteride, an Inhibitor of 5-Alpha Reductase Activity, Impairs Spermatogenesis and Alters Hypophyseal Feedback Mechanisms
Finasteride exposure harms tadpole reproduction and hormone balance.
research Testosterone Up-Regulates Vacuolar ATPase Expression and Functional Activities in Vas Deferens of Orchidectomized Rats
Testosterone increases acidification in the vas deferens by up-regulating V-ATPase.
research Effects of Pre- and Post-Pubertal Dihydrotestosterone Treatment on Penile Length in 5α-Reductase Type 2 Deficiency
Dihydrotestosterone treatment can help penis growth in boys with 5α-reductase deficiency but doesn't fully normalize size after puberty.
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 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 The Adverse Effects of Commonly Used Medications on Male Fertility: A Comprehensive Review
Some common medications may harm male fertility by affecting hormones, sperm production, and sexual 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 Applications and Implications of Heparin and Protamine in Tissue Engineering and Regenerative Medicine
Heparin and protamine are promising in tissue repair and organ regeneration, including skin and hair.
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 The Impact of SARS-CoV-2 and COVID-19 on Male Reproduction and Men's Health
COVID-19 might affect male fertility, but more research is needed to understand the full impact.
research The Probable Destructive Mechanisms Behind COVID-19 on Male Reproductive System and Fertility
COVID-19 may harm male fertility and damage the reproductive system.
research New Biomarkers to Evaluate Hyperandrogenemic Women and Hypogonadal Men
The document concludes that hormonal biomarkers are key for diagnosing hyperandrogenemia in women and hypogonadism in men.