<unk>  is an experimental male contraceptive method that is not yet approved for general use. Proposed methods of<unk>  attempt to prevent sperm from traveling down the<unk> a deferentia. Potential methods include clips, plugs, valves, and other devices.
The intra<unk>  device, analogous to the intrauterine device (IUD) for women, is meant to be a reversible alternative to a<unk> ectomy.  The device consists of a set of flexible, hollow silicone plugs, each about a millimeter in diameter and 2.5 cm long.  The IVDs are inserted into the<unk>  deferens and block the flow of sperm from the testes to the seminal glands.
Vas-occlusive contraception
Barrier contraception
Oral contraceptive
Fertility medication
Male contraceptive
Antiandrogen
Dyspareunia surgery
Gonadotropin preparations