GENERAL FEATURES: 98.9% of contraceptive effectiveness. Effective in both nulliparous and multiparous women. Materials developed by injecting inert polyethylene or polypropylene of different densities with barium, allowing radiographic visualization. Low rate of expulsion and prolonged length of stay. Perfect adaptation to the uterine cavity. Quick return to its original shape once placed due to its molecular memory. Minimal handling prior to insertion. Ethylene oxide sterilization. Packaged in envelopes sealed medical grade high strength individual. D.I.U. Identification Card including date of placement and removal. Monofilament nylon and high strength and easy viewing, ensuring rapid and safe removal. The method of birth control lower cost.