Second, the cause of azoospermia caused by spermatogenic disorder: the non-obstructive type of male vas deferens is caused by testicular spermatogenic dysfunction and inability to produce sperm. Common causes: congenital malformations such as anorexia, cryptorchidism, testicular hypoplasia, etc. Testicular atrophy caused by testicular trauma, vas deferens artery trauma, testicular torsion, mumps complicated with orchitis, etc. Long-term use of chemical drugs or radiation sickness; Endocrine disorders, such as hypogonadism and pituitary dysfunction; Vitamin a, c, e and compound b deficiency.
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