35 citations
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May 2022 in “Baillière's best practice and research in clinical endocrinology and metabolism/Baillière's best practice & research. Clinical endocrinology & metabolism” Androgens like testosterone are important hormones for both men and women, made differently in each sex and affecting the body by regulating genes and quick interactions with cell components.
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.
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.
64 citations
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December 2012 in “Stem Cell Reviews and Reports” Human hair follicle cells can be turned into stem cells similar to embryonic stem cells.
June 2025 in “Molecular Genetics & Genomic Medicine” Severe genetic variants in children with a specific adrenal condition match predicted symptoms well, but milder variants do not.
48 citations
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January 2005 in “Treatments in Endocrinology”
9 citations
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October 2017 in “Translational pediatrics” Pediatric endocrinologists should provide early fertility counseling and preservation options to young patients at risk of infertility.
46 citations
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October 2012 in “Seminars in reproductive medicine” Genetic defects in androgen production are linked to male developmental disorders and are improving treatment understanding.
1 citations
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August 2015 in “AACE Clinical Case Reports” A new gene mutation causes complete androgen insensitivity in a 16-year-old with a female appearance.
174 citations
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July 2003 in “The Journal of Clinical Endocrinology & Metabolism” Five new mutations in the androgen receptor gene were found, helping to understand androgen insensitivity syndrome better.
September 2006 in “Pediatrics in Review” Early diagnosis and treatment are crucial for complex medical conditions.
November 2012 in “Experimental and Clinical Endocrinology & Diabetes” A new genetic mutation causes severe Leydig cell hypoplasia, affecting sexual development.
January 2018 in “Elsevier eBooks” 5α-reductase-2 deficiency causes ambiguous genitalia at birth and affects male sexual development, but individuals often develop male characteristics at puberty.
1 citations
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September 2019 in “Steroids” Two new mutations in the AR gene linked to severe androgen insensitivity were found.
46 citations
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December 1992 in “The Journal of Steroid Biochemistry and Molecular Biology” Affected males are born with ambiguous genitalia, raised as females, but develop male traits at puberty due to enzyme deficiency.
43 citations
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September 2001 in “Annals of Neurology” Hair root analysis can effectively detect somatic mosaicism in double cortex syndrome.
13 citations
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June 2012 in “European journal of medical genetics” Identical twins had different symptoms because one had more cells with an extra chromosome fragment in different tissues.
1 citations
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January 2016 in “Medicinski glasnik Specijalne bolnice za bolesti štitaste žlezde i bolesti metabolizma” Most 46XX CAH patients have female identity, but a few identify as male and may need treatment and surgery.
5 citations
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February 2003 in “American Journal of Medical Genetics Part A” A chromosomal change may cause ectodermal dysplasia and developmental issues in a child.
June 2020 in “Zenodo (CERN European Organization for Nuclear Research)” Robertsonian translocation can cause recurrent miscarriages.
December 2024 in “Kırıkkale Üniversitesi Tıp Fakültesi Dergisi” Chromosomal microarray analysis is important for diagnosing rare genetic variations and guiding treatment.
3 citations
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November 2019 in “Journal of the ASEAN Federation of Endocrine Societies” A 20-year-old woman with a rare form of Turner syndrome showed improvement with hormonal therapy and needs comprehensive care.
1 citations
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September 2017 in “Zhonghua neifenmi daixie zazhi” Routine genetic testing is crucial for early diagnosis and better management of Turner’s syndrome with 21-hydroxylase deficiency.
January 2026 in “JCEM Case Reports” Genetics may play a significant role in gender dysphoria.
12 citations
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January 2016 in “Endocrinology, diabetes & metabolism case reports” Testosterone therapy improved physical and social health in a male with 49,XXXXY syndrome.
February 2009 in “Journal of The American Academy of Dermatology” A man with Klinefelter syndrome had a leg ulcer that didn't heal well, even with treatment.
13 citations
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September 2011 in “Archives of dermatology” A patient with steroid sulfatase deficiency had a unique hair pattern and a brain malformation not previously linked to the condition.
March 2026 in “Sexual Development” Tortoiseshell tomcats with XX/XY chimerism can be fertile.
28 citations
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June 1998 in “Clinical Genetics” Ambras syndrome's genetic cause is unknown, as it isn't linked to androgen levels.
October 2025 in “Journal of the Endocrine Society” Early physical exams are crucial for timely Klinefelter syndrome diagnosis.