Product Description.

NOVA-T is an intrauterine device made of plastic (polyethylene), approximately in the shape of a T) .Polyethylene threads are attached to the lower portion The horizontal and vertical arms of the T are 32 mm in length and 1.2 mm in diameter; a loop 2.6 mm wide is found at the tip of the vertical arm; and a thin copper wire 107–141 mg Cu, surface area of 200 mm) 2 stabilized with a ( silver core (11–29 mg Ag) is coiled onto the vertical portion of the T. The silver core prevents fragmentation of the wire and prolongs the lifespan of the device. The polyethylene .removal threads are pigmented with iron oxide.

The pregnancy rate with NOVA-T is 1.26 per 100 woman-years .After removal of NOVA-T, fertility is promptly restored Duration of use: NOVA-T can be left inserted for a maximum of 30 months. If continued contraception is desired by the patient, a new NOVA-T should be inserted at once. If pregnancy is not desired, the removal should be carried out during menstruation. If the device is removed mid-cycle and the woman has had intercourse within a week, she is at risk of pregnancy unless a new device is inserted immediately .after removal .Copper IUDs prevent pregnancy by preventing fertilization This is based on the inhibition of sperm and egg transport and/or the capacity of sperm to fertilize eggs. This happens through cytotoxic and phagocytic effects before the egg .reaches the uterine cavity.