<unk>  <unk>  is a condition in which the<unk> a<unk> ia reproductive organs fail to form properly prior to birth. It may either be unilateral (CUAVD) or bilateral (CBAVD).
Congenital absence of the vas deferens
Recurrent toxin-mediated perineal erythema
Immunodeficiency with hyperimmunoglobulin M
Autoimmune autonomic ganglionopathy
Urethral foreign body
Ejaculatory duct obstruction
Bladder sphincter dyssynergia
Retrograde ejaculation