自1959年石浜和 oppenheimer 各自报道以来,作为避孕方法的宫内节育器的价值,在世界上又有了新的估价。1962年在纽约召开的第一次国际会议以后,宫内节育器进入了新时代。现已有十余年.在此期间,有关宫内节育器的实验和临床的研究极多,不少新型宫内节育器被研制出来,并对其临床效果及付作用做了详细的研究, Since the publication of Shibama and Oppenheimer in 1959, the value of intrauterine devices as a method of contraception has given rise to new valuations in the world. After the first international conference in New York in 1962, the IUD entered a new era. There are more than ten years.In this period, the experimental and clinical research on IUDs very much, many new IUDs were developed, and its clinical effects and paid a detailed study done,