The effect of vitamin D on fertility

Background: Vitamin D plays a significant role in the adjustment process of reproduction in women, because vitamin D receptor expression in reproductive tissues such as the ovary, uterus, placenta, pituitary and the hypothalamus are involved. Vitamin D also has a role in regulating steroid and sex hormone in men. The relationship between vitamin D and disease affecting female fertility (polycystic ovary syndrome (PCOS), endometriosis and uterine leiomyoma of the uterus), and in vitro fertilization (IVF) has been assessed. Vitamin D may play a role in polycystic ovary syndrome surveillance (PCOS), including ovulatory dysfunction, insulin resistance and androgen. Lack of vitamin D in the pathogenesis of endometriosis according to the immune system and anti-inflammatory properties have been reported. 25-OHD deficiency in women impedes optimum thickness of the endometrium for implantation of the embryo after ICSI is to improve vitamin D and can help improve fertility clinic success.Methods: Methods based studies to investigate from some databases like pubmed,google scholar,proquest and science direct( 2012-2017)Result: Lack of vitamin D may have a direct impact on sperm motility in men and a risk factor for poor semen quality of male infertility. Vitamin D reproductive effects in place, but secondary to vitamin D and metabolic Hanzym active in the production and reduce the vitamin D3 receptor by binding to vitamin D (VDR). is . The high prevalence of 25 (OH) D deficiency is a real alarm for public health care system and may affect our results Conclusion: : Vitamin D has an impact on the fertility of men and women and therefore special attention is needed to review its treatment and more research is needed in this area

کلیدواژه ها:

Fertility mem ، Fertility women ، Vit D