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.
Search
for
Sort by
Research
30-60 / 917 results
research Decreased Androgen Receptor Gene Methylation in Premature Pubarche: A Novel Pathogenetic Mechanism?
Reduced AR gene methylation may cause early pubic hair growth in girls.
research Secondary Sexual Characteristics and Menses in Young Girls
African-American girls tend to start puberty earlier than white girls, possibly due to increased androgen production.
research Precocious puberty in a 24 month old Nigerian girl: case report
A 24-month-old Nigerian girl developed early puberty with no family history, needing treatment her family couldn't afford.
research Precocious Puberty
Early sexual development in children, especially girls, can be treated with hormone therapy to improve adult height and requires support for the child and family.
research Neural substrates of the emotional negativity bias as revealed by haemodynamic data
Cyproterone acetate is a safe treatment that causes mild feminizing effects in adolescent trans-girls.
research ADRENOCORTICAL FUNCTION IN PUBERTY Serum ACTH, Cortisol and Dehydroepiandrosterone in Girls and Boys
Girls have higher DHEA levels earlier in puberty than boys, indicating earlier development.
research SERUM STEROIDS AND PITUITARY HORMONES IN FEMALE PUBERTY: A PARTLY LONGITUDINAL STUDY
During puberty, hormone levels rise, with early increases in some steroids and most menstrual cycles becoming regular by six years after menarche.
research Satoyoshi syndrome: A rare multisystemic disorder requiring systemic and symptomatic treatment
A patient with Satoyoshi syndrome improved with a treatment combining several medications, including carbamazepine and methotrexate.
research An Unusual Cause of Primary Amenorrhea
The 18-year-old girl likely has a condition called müllerian agenesis, which caused her to not have a uterus and experience no menstrual periods.
research Delayed Puberty
Delayed puberty affects some teens, and early treatment with hormones can help improve their growth and social well-being.
research SUN-069 A 14 Year Old Female with Primary Amenorrhea
A 14-year-old girl with no menstrual period was diagnosed with Swyer Syndrome and treated for a related cancer risk.
research Adolescent acne: association to sex, puberty, testosterone and dihydrotestosterone
Higher DHT levels are linked to more acne in adolescents, especially boys.
research Delayed Puberty
Delayed puberty often runs in families, can affect growth, and may need hormone treatment.
research Chirurgie des schwannomes vestibulaires solitaires
Cyproterone acetate is a safe treatment that causes modest feminization in transgender female adolescents, and works better with added estrogens.
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.
research PMON325 Rare Presentation of Precocious Puberty Secondary to LH-Secreting Adenoma
An 8-year-old boy's early puberty was caused by a rare hormone-secreting brain tumor, which was successfully treated with surgery.
research Age‐dependent regulation by androgens of gene expression in the anterior hypothalamus and stress‐induced release of adrenal hormones in adolescent and adult male rats
Testosterone affects stress hormone levels differently in adolescent and adult male rats.
research Critical Developmental Periods for Effects on Male Rat Genitalia Induced by Finasteride, a 5α-Reductase Inhibitor
Finasteride affects male rat genitalia development, causing abnormalities during specific pregnancy days.
research Depletion of S100A4+ stromal cells results in abnormal nipple development and nursing failure
Lack of certain cells causes abnormal nipple development and nursing failure.
research Development of polycystic ovary syndrome: involvement of genetic and environmental factors
PCOS is caused by both genetics and environmental factors like diet and obesity.
research The laboratory in the multidisciplinary diagnosis of differences or disorders of sex development (DSD)
Diagnosing sex development disorders requires combining medical history, physical exams, imaging, lab tests, and genetic data.
research Role of 5α-dihydrotestosterone in testicular development of gilthead seabream following finasteride administration
DHT affects testicular development and regulates spermatogenesis in some fish.
research Immunological control of skin development: from homeostasis to developmental pathologies
Immune cells are crucial for normal skin development and their dysfunction can cause skin disorders.
research Distinct stem cells contribute to mammary gland development and maintenance
Different types of long-lasting stem cells are responsible for the growth and upkeep of the mammary gland.
research PROBLEMS OF CREATING SCIENTIFIC IDEAS ABOUT WORLD DEVELOPMENT
Continuous research and innovative strategies are essential for sustainable development.
research Connexin 43 expression in the testes during postnatal development of finasteride-treated male rat offspring
Finasteride treatment changes Cx43 in rat testes, possibly causing fertility issues.
research Antioxidant enzyme expression of mRNA and protein in the epididymis of finasteride-treated male rat offspring during postnatal development
Finasteride affects offspring's antioxidant enzymes in epididymis, possibly disrupting sperm maturation.
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 Mixed “Antiandrogenic” Chemicals at Low Individual Doses Produce Reproductive Tract Malformations in the Male Rat
Low doses of mixed chemicals cause permanent reproductive malformations in male rats.