August 2023 in “İzmir tepecik eğitim hastanesi dergisi” This study suggests that the role of vitamin 25(OH)D in the pathogenesis of PCOS and diminished ovarian reserve may be independent of serum vitamin 25(OH)D levels.
July 2022 in “International Journal of Contemporary Pediatrics” This report describes siblings with vitamin D-dependent rickets type 2, characterized by growth retardation, alopecia totalis, and low 25(OH)D3 levels, highlighting its autosomal recessive pattern and distinction from other rickets types.
This study found a significant association between lower vitamin D levels and increased severity of androgenetic alopecia in men.
4 citations
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January 2020 in “Obstetrics and Gynecology Reports” This study found that obese Egyptian women with polycystic ovary syndrome had significantly lower serum 25-OH vitamin D levels compared to non-obese women with the condition.
50 citations
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October 1986 in “European journal of pediatrics” This case study reported that absence of alopecia does not reliably predict responsiveness to vitamin D treatment in Vitamin D-dependent rickets type II, as demonstrated by a patient with normal hair growth who showed extreme resistance.