Objective To investgate the treatment of asthenospermia and necrospermia infertility with percutaneous vasal sperm aspiration ( PVSA) and intrauterine insemination ( IUI) .
Trochus pyramis Born is of gonophores.The male reproductive system is mainly composed of the spermaries and spermaductus, instead of mating and others glands.
Four patients with blind end of vas and vessels proximal to the internal inquinal ring were planned for orchiectomy or simple or staged orchidopexy depending on clinical situations.