November 2024 in “Future Science OA” A rare benign ovarian tumor was found in a pregnant woman, but both mother and baby remained healthy.
3 citations
,
February 2018 in “Human Reproduction” A man with testotoxicosis was fertile despite low FSH levels, suggesting high testosterone may allow sperm production without FSH.
2 citations
,
January 2014 in “Elsevier eBooks” The document explains how sperm cells are produced, the role of testosterone in this process, and how toxins can reduce sperm count and fertility.
1 citations
,
July 2024 in “Journal of Assisted Reproduction and Genetics”
January 2025 in “Haematology International Journal” These ovarian conditions cause high testosterone levels.
June 2011 in “Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)” Estrogens and androgens are crucial for male fertility.
14 citations
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January 2020 in “Frontiers in Endocrinology” OCT4 helps granulosa cell growth in early-stage follicles, and FSH increases OCT4 through specific pathways.
September 1978 in “Journal of steroid biochemistry/Journal of Steroid Biochemistry”
11 citations
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November 2006 in “Journal of Veterinary Diagnostic Investigation” An alpaca acted like a male and couldn't have babies because of a benign tumor in its ovary that caused high testosterone levels.
January 2022 in “Kafkas Universitesi Veteriner Fakultesi Dergisi” The research improved understanding of twin births and fertility in Tibetan sheep, helping animal farming.
2 citations
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July 2023 in “AACE Clinical Case Reports” Ovarian vein sampling can effectively locate ovarian tumors when imaging is unclear.
April 2026 in “BMJ Case Reports” Leydig cell tumors can cause high testosterone in women and are treated by removing the ovaries.
April 2019 in “Journal of the Endocrine Society” A woman's severe male-like symptoms were caused by a rare, benign tumor in her ovary that produced male hormones.
1 citations
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January 1999 in “Theriogenology” October 2016 in “Journal of Case Reports” A rare ovarian tumor can occur without causing male-like symptoms.
13 citations
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October 2022 in “Reproductive Biology and Endocrinology” A new hyaluronan-based biomatrix successfully supports the growth of mouse ovarian follicles, producing healthy eggs.
62 citations
,
August 2018 in “Frontiers in Endocrinology” Androgens are important for normal ovarian function and estrogen production, but may not be the main cause of follicle death.
1 citations
,
December 1998 in “PubMed” Surgery on a 68-year-old woman with an ovarian tumor led to reduced hirsutism and normal testosterone levels.
1 citations
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October 2024 in “BMJ Case Reports” Fertility-preserving surgery can help women with early-stage Sertoli-Leydig cell tumors conceive naturally.
January 2023 in “Journal of the College of Physicians and Surgeons Pakistan” A rare ovarian tumor was successfully treated with surgery and chemotherapy.
1 citations
,
October 2024 in “European Journal of Histochemistry” Telocytes in silky fowl embryos develop distinct features and connections by the 20th day of incubation.
2 citations
,
November 2025 in “Journal of Ovarian Research” Reducing granulosa cell pyroptosis may improve oocyte maturation in PCOS.
36 citations
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January 1994 in “Cell and Tissue Research” January 2017 in “University journal of surgery and surgical specialities” Steroid cell tumors in ovaries are rare, can cause hormone changes, and may be cancerous.
April 2019 in “Journal of the Endocrine Society” The study found that imaging might miss small ovarian tumors causing high testosterone, and suggested using certain testosterone levels and treatment responses to identify these tumors.
November 2022 in “Journal of the Endocrine Society” A woman's small ovarian tumor causing high androgen levels was missed by several scans but found during surgery.
1 citations
,
August 1978 in “Dicp-The annals of pharmacotherapy” A liquid protein diet caused hair loss in a young woman.
3 citations
,
June 2016 in “Gynecological Endocrinology” Doctors used a special blood sampling technique to diagnose a woman's rare ovarian tumor that was producing male hormones.
3 citations
,
January 1985 in “Acta Obstetricia Et Gynecologica Scandinavica” A rare ovarian tumor caused early puberty signs in a 1-year-old girl, but surgery reduced hormone levels.
1 citations
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August 2022 in “Case Reports” A rare ovarian tumor caused high testosterone, hair loss, and missed periods, but surgery fixed these issues and led to pregnancy.