January 2023 in “Pediatric Endocrinology Diabetes and Metabolism” Isolated pubic hair in infants is usually harmless and resolves on its own.
April 2026 in “International Journal of Drug Delivery Technology” Girls in Tamil Nadu typically start menstruating around age 12.84, influenced by lifestyle and family factors.
2 citations
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January 2004 in “Korean Journal of Andrology” 173 citations
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November 2004 in “Seminars in Reproductive Medicine” Adrenarche increases adrenal androgens around age 6, affecting hair growth and development.
1 citations
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January 2010 in “Clinica Veterinaria De Pequenos Animales” The dog's fertility was restored with antibiotics and finasteride treatment.
9 citations
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August 1986 in “Archives of Pediatrics and Adolescent Medicine” Familial sexual precocity in girls may be more common than previously thought.
3 citations
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July 2017 in “Journal of Investigative Dermatology” SSEA-4 can distinguish between eccrine and apocrine sweat gland ducts.
40 citations
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July 2016 in “Pediatrics in review” Puberty involves complex hormonal changes, varies by gender and ethnicity, and requires careful monitoring for abnormalities.
2 citations
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December 2017 in “Theriogenology” Testosterone increases acidification in the vas deferens by up-regulating V-ATPase.
Finasteride significantly reduced sperm production and caused testicular atrophy in hamsters.
July 2024 in “Reproductive health of woman” Girls conceived via assisted reproductive technologies show early puberty signs and larger ovaries.
25 citations
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July 2015 in “EMBO Reports” Tmem50b and 2610305D13Rik genes play key roles in early mouse embryo development.
The white wax scale insect's genome shows that complete metamorphosis evolved earlier than thought and highlights differences in male and female development.
5 citations
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December 2018 in “Frontiers in Endocrinology” Differences in androgen receptor expression and tissue properties may lead to higher cryptorchidism risk in certain rats.
5 citations
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June 2008 in “Acta Cirurgica Brasileira” Finasteride causes sperm production decrease in Mesocricetus auratus.
5 citations
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September 2024 in “Stem Cell Research & Therapy” Sertoli cell transplants can reduce inflammation and improve sperm quality.
April 2025 in “The Egyptian Journal of Hospital Medicine” Expanding premarital screening to include skin conditions, STDs, infertility, and male disorders can improve marriage stability.
Male goat smell increases reaction in young female goats' noses but doesn't cause them to start puberty early.
186 citations
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February 1980 in “Clinical Endocrinology” During puberty, hormone levels rise, with early increases in some steroids and most menstrual cycles becoming regular by six years after menarche.
3 citations
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April 2012 in “Fertility and Sterility” Finasteride may cause infertility in rats by affecting epididymis and sperm function.
October 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” A small BOTOX dose improved sperm production and movement in older mice.
21 citations
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December 2015 in “Development Growth & Differentiation” DHT is crucial for urethral formation, and its disruption can affect masculinization and lead to hypospadias.
July 2007 in “Journal of Reproduction & Infertility” Short-term finasteride use likely doesn't harm male fertility.
2 citations
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May 2006 in “Journal of Separation Science” The method effectively measures spermidine in hair lotions.
2 citations
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January 2015 in “Springer eBooks” Environmental factors and exposure to toxins may contribute to male infertility by affecting sperm and hormone function.
September 2018 in “Translational andrology and urology” MOTILIPERM may help treat male infertility by reducing stress in cells.
192 citations
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January 1976 in “The Journal of Clinical Endocrinology & Metabolism” Androgen levels increase with puberty and are linked to sexual hair development.
15 citations
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January 1981 in “Neonatology” Amino acid levels in milk increase with protein and align with key growth stages in Macropus eugenii.
9 citations
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April 2007 in “Journal of Andrology” Excessive pre-ejaculation can be treated with certain medications.
April 2026 in “The Journal of Urology” Finasteride 1 mg/day reduces semen quality without affecting hormones or sexual function.