Impact of Vitamin D Supplementation on Semen Quality in Vitamin D-Deficient Infertile Males with Oligoasthenozoospermia.

Introduction: Male factor contributes to almost 50% cases of infertility. There is evidence of the effect of serum vitamin D on male fertility by helping in spermatozoa maturation and initiating acrosomal reaction. In India, vitamin D deficiency has been documented to be in the range of 50-90% among all the age groups.