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Fertility (sperm) associated with vitamin D – meta-analysis Sept 2019

The association between serum vitamin D, fertility and semen quality: A systematic review and meta-analysis

International Journal of Surgery, Volume 71, November 2019, Pages 101-109, https://doi.org/10.1016/j.ijsu.2019.09.025
ArmanArabaAmirHadibSeyedeh ParisaMoosaviancGholamrezaAskariaMaryamNasiriand

VitaminDWiki

Fertility Meta-analyses


Fertility and Sperm category contains the following summary

109 items in Fertility or Sperm in VitaminDWiki

See also

Overview Women and Vitamin D
Overview Pregnancy and vitamin D    Fertility and Vitamin D – several articles
Endometriosis
Ensure a healthy pregnancy and baby - take Vitamin D before conception
Search VitaminDWiki for IVF OR "IN VITRO FERTILIZATION" 345 items as of Sept 2019
Search VitaminDWiki for "Assisted reproduction" 177 items as of Sept 2019
Search VitaminDWiki for "polycystic ovary syndrome" OR PCOS" Sept 2019
Search VitaminDWiki fore Testosterone 77 items just in webpages as of Sept 2020
Search VitaminDWiki for "erectile dysfunction" 120 items as of July 2018
Conception and vitamin D snapshot as of 2012

 Download the PDF from VitaminDWiki
Image
Forest plot of the association between serum 25(OH)D level and fertility.

Highlights

  • Human infertility affects 10–15% of couples.
  • Male fertility potential is clinically examined by semen analysis.
  • Vitamin D (Vit D) has gained major attention in recent years.
  • The findings will be used to inform public health programming and improve diet quality among men with infertility problems.

Purpose
A number of studies have examined the association between vitamin D, fertility and semen quality, however, findings have been inconclusive. Herein, we systematically reviewed available observational studies to elucidate the overall relationship between vitamin D, fertility and semen quality in adult population.

Methods
PubMed, Cochrane's Library, Science Direct, Scopus, Google Scholar and ISI Web of Science databases were searched until December 2018 for all available studies evaluating the association between vitamin D, fertility and semen quality. The Newcastle-Ottawa Quality Assessment Scale was used to examine the quality of each study.

Results
A total of 18 studies out of 1843 met our inclusion criteria and were included in our systematic review and meta-analysis. Serum 25(OH)D3 was significantly higher in fertile subjects compared to infertile ones (WMD -0.63; 95% CI, −1.06 to −0.21; P = 0.003). Furthermore, there was a significant association between serum 25(OH)D, sperm motility (WMD -5.84; 95% CI, −10.29 to −1.39; P = 0.01) and sperm progressive motility (WMD -5.24; 95% CI, −8.71 to −1.76; P = 0.003).

Conclusion
Our findings add to the existing literature supporting the concept that nutrition, especially vitamin D, plays an important role in men's sexual health. It should be noted that because of significant heterogeneity among the included studies, caution is warranted when interpreting the results. Further well-designed prospective cohort studies and clinical trials are needed for better understanding of the relationship between vitamin D and fertility and its components.


Created by admin. Last Modification: Saturday September 28, 2019 16:48:07 GMT-0000 by admin. (Version 5)

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