CAUSES

[1] VARICOCELE

[2] CONTAMINATION [EPIDIDYMITIS/ORCHITIS/HIV/GONORRHEA]

[3] RETROGRADE EJACULATION

[4] WORKSHOP PREPARATIONS B,OOD PRESSURE

[5] ANTIBODIES THAT ATTACK THE SEED

[6] CANCER

[7] CRYPTORCHIDISM

[8] HORMONAL IMBALANCES [HYPOTHALAMUS/PITUITARY/BULLOCKS]

[9] TUBE PROBLEMS CARRYING SEED[INJURIES/INFECTION/CYSTIC FIBROSIS/OBSTRUCTION IN THE EPIDIDYMITIS/VAS DEFERENS/COMDUCTORS EJACULATION/URETHRA]

[10] SYNDROMES;KLINEFELTER/KALLMANN/KARTAGENER]

[11] CELIAC