الفهرس 
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Abstract
This study aimed to assess seminal vitamin D in infertile men associated with varicocele.
In all, 200 men presented to the University hospitals after ethical approval and informed consent were investigated.
They were allocated into:
Fertile men (n=50)
Fertile men with varicocele (n=50)
Infertile men (n=50)
Infertile men with varicocele (n=50)
Exclusion criteria: Hormonal therapy, calcium or vitamin D supplements, hepatic or renal failure.
They were subjected to:
History taking, clinical examination and estimation of seminal vitamin D by ELISA method.
The results were as follows:
1. Seminal vitamin D (ng/ml) showed significant decrease in infertile men compared with fertile men.
2. Seminal vitamin D (ng/ml) showed significant decrease in infertile men with varicocele compared with fertile men with/without varicocele and infertile men without varicocele.
3. Seminal vitamin D demonstrated significant positive correlation with sperm count (r=0.502, P=0.001), sperm motility (r=0.547, P=0.001), sperm normal forms (r=0.782, P=0.001) and significant negative correlation with the age (r=-0.150, P=0.034).
Conclusions
Seminal vitamin D play a role of male infertility being significantly decreased in infertile men in general and in infertile men associated with varicocele in specific.
Recommendations
1. Concomitant estimation of serum as well as seminal vitamin D.
2. Estimation of seminal testosterone.
3. Assessment of seminal vitamin D levels 3 and 6 months after surgical varicocele repair.
4. Controlled trials for vitamin D supplementation in deficient associated cases.