September 2023 in “Fides et Ratio” The safety and effectiveness of gender-affirming treatments for children are uncertain, with potential long-term risks like infertility.
February 2025 in “Medicine” Precocious puberty in girls is linked to cosmetics, pollution, light exposure, early sexual information, diet, and hereditary factors.
May 2019 in “The Journal of Sexual Medicine” Flibanserin's effectiveness for low sexual desire in premenopausal women may vary based on hormone levels, with normal hormone levels showing better responses.
138 citations
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November 1974 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” Males and females differ in lifespan, growth, organ size, metabolism, and brain structure, with females generally living longer and maturing earlier.
3 citations
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May 2018 in “Experimental Dermatology” Young HS patients often have other physical and mental health issues, and research on HS covers a wide range of topics including genetics, triggers, treatments, and the need for more data.
4 citations
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August 2024 in “PLoS ONE” Both injectable contraceptives lower testosterone and SHBG levels, with NET-EN having a greater effect than DMPA-IM.
30 citations
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July 2004 in “Fertility and Sterility” Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.
65 citations
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September 2017 in “British Journal of Cancer” Black ethnicity, prior PSA tests, enlarged prostate, and family history increase prostate cancer risk; Asian ethnicity, obesity, smoking, diabetes, and less sexual activity or no children decrease risk.
1 citations
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October 2017 in “The Journal of Urology” Long-term medication for enlarged prostate might not clearly affect the timing or outcomes of later surgery.
21 citations
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September 2004 in “Fertility and Sterility” Amenorrhea, or the absence of periods, should be evaluated by age 15 or within five years of early breast development, and is most commonly caused by conditions like polycystic ovary syndrome and hypothalamic amenorrhea.
June 2022 in “Journal of The European Academy of Dermatology and Venereology” Microneedling with topical dutasteride improves hair growth in men with hair loss and is safe to use.
June 2018 in “Advances in Cosmetic Surgery” Hair loss caused by genetics and hormones; more research needed for treatments.
April 2026 in “Communications Biology” The development of breeding tubercles in male zebrafish relies on a specific enzyme that processes hormones.
21 citations
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January 2020 in “General and Comparative Endocrinology” Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.
26 citations
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August 1971 in “Journal of Morphology” Lizards can regrow their tail scales with the same structure, distribution, and gender-specific features as the original ones, and this unique ability is not seen in adult mammals.
The man has Temporal Triangular Alopecia, a stable, non-scarring hair loss condition best treated with hair transplantation.
2 citations
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May 2018 in “Diagnosis” A 68-year-old woman developed male traits due to a tumor in her ovary, which was removed, returning her hormone levels to normal.
August 2024 in “Steroids” The androgen receptor's shape-changing ability helps it function but can lead to cancer treatment resistance.
163 citations
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November 1976 in “Annals of Internal Medicine” Sickle cell anemia causes hormone issues and delayed puberty due to testicular failure.
24 citations
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December 2016 in “Psychiatric Clinics of North America” Transgender women can develop feminine traits and improve their quality of life through hormone therapy and surgery, but results vary and access to surgery can be limited.
81 citations
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June 2014 in “American Journal of Men's Health” Finasteride can cause lasting sexual, emotional, and cognitive issues, with varying severity.
4 citations
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August 2017 in “The Nurse Practitioner” Secondary amenorrhea has many causes and requires thorough evaluation to treat and restore menstrual cycles.
4 citations
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March 2020 in “Berkala Ilmu Kesehatan Kulit dan Kelamin” HIV-infected men who have sex with men are at higher risk for aggressive syphilis, but treatment and tests are effective.
54 citations
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May 2018 in “International journal of risk & safety in medicine” Antidepressants, 5α-reductase inhibitors, and isotretinoin can cause long-lasting sexual dysfunction.
69 citations
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July 2015 in “Pharmacotherapy” Low-dose finasteride may cause lasting sexual dysfunction and suicidal thoughts in young men.
37 citations
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September 2018 in “The Journal of Clinical Endocrinology and Metabolism” Intravaginal testosterone cream improves sexual satisfaction and reduces vaginal discomfort in postmenopausal women on breast cancer treatment without affecting hormone levels.
19 citations
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September 2016 in “Pharmacotherapy” Finasteride for hair loss increases risk of long-lasting sexual dysfunction.
21 citations
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February 2016 in “Reproductive Biomedicine Online” The conclusion suggests that PCOS may persist due to genetic traits that, while harmful for female fertility, could have provided survival and reproductive benefits to males.
January 2021 in “Scholars journal of medical case reports” A woman with PCOS successfully overcame secondary infertility and became pregnant with triplets after treatment.
71 citations
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November 2012 in “Expert Opinion on Drug Safety” 5-alpha reductase inhibitors can cause sexual side effects like erectile dysfunction and reduced sexual desire, sometimes lasting after stopping the drug.