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.
Search
for
Sort by
Research
840-870 / 1000+ results 
research ラット精巣におけるビタミンD 代謝関連遺伝子の発現解析
The testes significantly contribute to vitamin D metabolism and may affect male reproductive health and conditions like hair loss.
research Association of hair dye use with circulating levels of sex hormones in premenopausal Japanese women
Long-term hair dye use may increase testosterone levels in women.
research Defects in Androgen Biosynthesis Causing 46,XY Disorders of Sexual Development
Genetic defects in androgen production are linked to male developmental disorders and are improving treatment understanding.
research Finasteride-related Leydig cell tumour: report of a case and literature review
Finasteride use may be linked to rare testicular tumor, but more research needed.
research The Plastic and Functional Changes in Hippocampal Neurons During Pregnancy, Delivery and Postpartum are Reversed by Offspring Deprivation
Pregnancy and nursing increase certain brain activities in rats, but these changes disappear when the babies are taken away.
research Musculoskeletal and body composition response to high-dose testosterone with finasteride after chronic incomplete spinal cord injury—a randomized, double-blind, and placebo-controlled pilot study
Testosterone with finasteride improved muscle and bone health in men with spinal cord injury.
research The Effect of Finasteride on the Secretion of Testosterone, DHT, LH, FSH and Tissue Factors in the Testis of NMRI Mice:
Finasteride reduces sperm count and quality and alters hormone levels in mice.
research Severe Hyperandrogenemia and Insulin Resistance in a 12-Year-Old Girl
A 12-year-old girl with very high testosterone and insulin resistance improved with birth control pills, suggesting PCOS can cause high testosterone without tumors.
research Genome-wide association study identifies a new locus JMJD1C at 10q21 that may influence serum androgen levels in men
A new gene, JMJD1C, may affect testosterone levels in men.
research The use of testosterone after menopause
Testosterone therapy can improve sexual satisfaction and mood in surgically menopausal women when used with estrogen, but its long-term safety and effects on naturally menopausal and premenopausal women are unclear.
research Manifestation of Hyperandrogenism in the Continuous Light Exposure-Induced PCOS Rat Model
Continuous light exposure in rats leads to PCOS-like symptoms and suggests sleep habits might affect the disorder's development.
research Premature isolated adrenarche in a six-year-old girl
A six-year-old girl has early signs of puberty, needs no treatment, but requires regular check-ups for future health risks.
research Sex dependent influence of a functional polymorphism in steroid 5‐α‐reductase type 2 (SRD5A2) on post‐traumatic stress symptoms
SRD5A2 gene variations affect PTSD symptoms differently in males and females.
research 5α-Metabolism in Finasteride-Treated Subjects and Male Pseudohermaphrodites with Inherited 5α-Reductase Deficiency
Finasteride lowers DHT levels and raises testosterone in a dose-dependent way.
research Haben Schwangerschaft und Elternschaft Einfluss auf den Verlauf des PCO-Syndroms? Basis-Daten der prospektiven LIPCOS-Studie (Lebensstil-Intervention beim Polyzystischen Ovar Syndrom (PCOS))
Pregnancy and parenthood may help regulate PCOS symptoms.
research Progesterone Pretreatment Enhances Serotonin-Stimulated BDNF Gene Expression in Rat C6 Glioma Cells Through Production of 5α-Reduced Neurosteroids
research Contraception Care for Transmasculine Individuals on Testosterone Therapy
Transmasculine individuals on testosterone therapy need tailored contraception and fertility advice due to unique risks and benefits of each contraceptive method.
research Changes in expression of the neuropeptide Y Y1 receptor gene in the medial amygdala of transgenic mice during pregnancy and after delivery
Pregnancy-related hormone changes affect Y1 receptor gene expression in mice.
research Hypothalamic hamartoma with pubertas precox and gelastic seizure in a boy (Case Report)
A boy with early puberty and laughing seizures was treated, stopping seizures and slowing puberty.
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 The Effects of Single Testosterone Administration and Stress Induction on Steroid Hormone Levels in Hair
Testosterone increases hair testosterone levels, stress raises hair cortisol, and relationship status affects hormone levels.
research Hyperandrogenism and insulin resistance modulate gravid uterine and placental ferroptosis in PCOS-like rats
Hyperandrogenism and insulin resistance in PCOS-like rats can lead to pregnancy complications due to increased cell death in the uterus and placenta.
research SAT-LB2 Elevated Testosterone Secondary to Leydig Cell Hyperplasia in Bilateral Ovaries
A woman's high testosterone and related symptoms were caused by overactive cells in her ovaries.
research (282) CONSEQUENCES OF ANABOLIC-ANDROGENIC STEROID ABUSE IN MALES: RESULTS FROM A META-ANALYSIS STUDY
Anabolic-androgenic steroids harm male hormone levels, sperm, metabolism, and can cause acne, hair loss, and breast growth.
research Testosterone Deficiency is Not Protective Against the Development of Adenocarcinoma of the Prostate in a Type 1 Diabetic Patient
Low testosterone does not prevent prostate cancer in men with type 1 diabetes.
research Understanding the Secular Decline in Testosterone: Mechanisms, Consequences, and Clinical Perspectives
Lifestyle changes and environmental strategies can help address declining testosterone levels.
research Evaluation of the rodent Hershberger assay using three reference endocrine disrupters (androgen and antiandrogens)
The assay effectively detects hormonal activity of certain chemicals.
research Hair and cord blood element levels and their relationship with air pollution, dietary intake, gestational diabetes mellitus, and infant neurodevelopment
Certain elements in maternal hair are linked to higher gestational diabetes risk and lower infant mental development.
research Low serum testosterone is associated with an increased risk of first-time renal calculi in men without testosterone replacement therapy
Low testosterone increases kidney stone risk in men not on testosterone therapy.