- Author:
Inari M CICCONE
1
;
Elaine Mf COSTA
1
;
Juliana R PARIZ
1
;
Thiago A TEIXEIRA
1
;
Joel R DREVET
2
;
Parviz GHARAGOZLOO
3
;
Robert J AITKEN
3
;
Jorge HALLAK
1
Author Information
- Publication Type:Journal Article
- Keywords: male infertility; semen quality; sexual hormones; sperm motility; testosterone; vitamin D deficiency
- From: Asian Journal of Andrology 2021;23(1):52-58
- CountryChina
- Language:English
- 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 D