WNT3A and Azoospermia: The results of ELISA showed that there were no significant differences in concentration of Wnt3a protein between samples from patients (Obstructive azoospermia: 46.069±2.69, Non-obstructive Azoospermia: 45.519±2.58) and healthy subjects (47.071±2.78) (p=0.505).