Morphological diagnosis

No. of patients

%

Normal spermatogenesis (obstructive azoospermia)

12

17.9

Hypospermatogenesis (germ cell hypoplasia)

4

5.9

Spermatogenic arrest

39

58.2

Sertoli cell only

7

10.4

No spermatogenesis (complete tubular hyalinization)

5

7.4

Total

67

100