Causes of azoospermia - 1

1) Hypothalamic-pituitary failure: (Hypogonadotrophic hypogonadism). 

 Accounts for < 1% of male factor fertility.

 It results in a deficiency of luteinizing hormone (LH) and follicle-stimulating hormone (FSH), which is associated with -

failure of spermatogenesis and testosterone secretion.