223 citations
,
June 2018 in “Human Reproduction Update” Including ovarian morphology in diagnosis increases PCOS prevalence estimates, highlighting the need for standardized criteria.
36 citations
,
November 2009 in “European Radiology” The study found that women with PCOS have more and larger ovarian follicles and differences in ovarian structure, but these features alone can't always diagnose PCOS.
135 citations
,
August 1994 in “Clinical Endocrinology” Most women with hirsutism or androgenic alopecia had polycystic ovaries, especially if they had irregular periods.
13 citations
,
January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
21 citations
,
April 1982 in “Genetics Research” Mice with the naked gene have missing or abnormal hair cells.
27 citations
,
February 1988 in “Journal of the American Academy of Dermatology” The skin condition Ulerythema ophryogenes did not improve with treatment in a patient with other birth defects.
53 citations
,
August 2019 in “American journal of human genetics” FOXN1 gene variants cause low T cells and immune issues from birth.
28 citations
,
April 2014 in “Hormones” Higher androstenedione levels in women with PCOS are linked to more severe symptoms.
1 citations
,
February 2025 in “Journal of Dairy Science” The SLICK1 allele in Holstein heifers affects hair and immune traits without altering prolactin signaling.
September 2016 in “Journal of Dermatological Science” A gene mutation worsens skin irritation in mice due to a lack of certain fats.
August 2012 in “Fertility and Sterility” Premature gray hair may indicate reduced ovarian reserve but doesn't lower pregnancy chances.
2 citations
,
August 2023 in “Development” Hair follicles in the back of the rosette fancy mouse have reversed orientations due to a gene mutation.
21 citations
,
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.
September 2024 in “Research Square (Research Square)” Many North African women with acne also have PCOS, showing more severe symptoms and higher testosterone levels.
January 2022 in “World journal of pharmaceutical sciences” The document concludes that there are multiple ways to create PCOS in animals for research, which helps understand and treat the condition.
53 citations
,
October 2003 in “Developmental Biology” Too much Sonic Hedgehog protein stops hair growth in embryos.
November 2023 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” SLICK cattle have better heat tolerance due to specific gene expression and pathway differences.
January 2022 in “Journal of Morphological Sciences” A woman's rare ovarian tumor was treated with surgery, which stopped her symptoms and normalized her hormone levels.
4 citations
,
June 2003 in “Fertility and Sterility” Finasteride doesn't affect ovulation in normal women.
December 2020 in “Open Repository of the University of Porto (University of Porto)” July 2025 in “AACE Endocrinology and Diabetes” Ovarian hyperthecosis caused high testosterone and virilization symptoms in a 60-year-old woman, which improved after surgery.
28 citations
,
July 2005 in “Journal of Investigative Dermatology” Sca-1+ cells in newborn mouse skin may become fat cells.
Neurokinin B levels are higher in the placentas of women with PCOS who have female babies.
4 citations
,
January 2011 in “Annals of Dermatology” Researchers found a new mutation in the HR gene linked to a rare hair loss condition.
5 citations
,
April 2018 in “Journal of Dermatological Science” Adjusting estradiol-ANGPT2 levels can promote hair growth in female pattern hair loss.
October 2025 in “Journal of Obstetric and Gynaecological Practices POGS”
6 citations
,
January 2013 in “Journal of Clinical and Diagnostic Research” AMH levels are higher in women with PCOS and can indicate the number of small follicles in their ovaries.
3 citations
,
August 2004 in “International journal of gynaecology and obstetrics” Finasteride doesn't change polycystic ovary size or cyst number, suggesting testosterone's role in their appearance.
1 citations
,
April 2016 in “Journal of The American Academy of Dermatology” The study concludes that Loose Anagen Hair Syndrome is a benign condition that usually improves with age but can be hard to diagnose and stressful for the family.
June 2020 in “Zenodo (CERN European Organization for Nuclear Research)” Robertsonian translocation can cause recurrent miscarriages.