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Serum vitamin D content is associated with semen parameters and serum testosterone levels in men

Abstract : The present study aimed to evaluate the influence of serum vitamin D levels on semen quality and testosterone levels. This is a cross-sectional study conducted at Androscience, Science and Innovation Center in Andrology and High-Complex Clinical and Andrology Laboratory in Sao Paulo, Brazil, with 508 male patients, aged 18–60 years, from 2007 to 2017. Seminal parameters and serum sexual hormones were correlated with serum vitamin D concentrations in 260 men selected by strict selection criteria. Patients were divided into normozoospermic group (NZG, n = 124) and a group with seminal abnormalities (SAG, n = 136). Evaluation included complete physical examination, past medical history, habits and lifestyle factors, two complete seminal analysis with sperm functional tests, serum levels of 25-hydroxy-vitamin D3(25(OH)VD3), total and free testosterone, luteinizing hormone (LH), follicle-stimulating hormone (FSH), sex hormone-binding globulin (SHBG), total cholesterol, homeostatic model assessment of insulin resistance (HOMA-IR) index, and karyotype. The mean concentration of 25(OH)VD3was significantly lower in the SAG (P < 0.001) and positively correlated with all baseline seminal parameters and total testosterone levels. In addition, serum vitamin D3concentration was found to be positively correlated with sperm concentration (β= 2.103; P < 0.001), total number of spermatozoa with progressive motility (β = 2.069; P = 0.003), total number of motile spermatozoa (β = 2.571; P = 0.015), and strict morphology (β = 0.056; P = 0.006), regardless of other variables. This is the first comparative study to address the issue of serum vitamin D3content between normozoospermic patients and those with sperm abnormalities. It clearly demonstrates a direct and positive relationship between serum vitamin D level and overall semen quality, male reproductive potential, and testosterone levels.
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https://hal.archives-ouvertes.fr/hal-03670178
Contributor : Joel Drevet Connect in order to contact the contributor
Submitted on : Tuesday, May 17, 2022 - 11:46:29 AM
Last modification on : Monday, May 23, 2022 - 11:34:10 AM

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Inari Ciccone, Elaine Costa, Juliana Pariz, Thiago Teixeira, Joël J. Drevet, et al.. Serum vitamin D content is associated with semen parameters and serum testosterone levels in men. Asian Journal of Andrology, Medknow Publications, 2020, 23 (1), pp.52-58. ⟨10.4103/aja.aja_9_20⟩. ⟨hal-03670178⟩

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