自1984年起我们接受国家计生委引进的Norpla-ntⅡ型皮下埋植避孕剂300例的临床研究任务。截止1986年5月观察到13个序数月末,因各种原因终止18例,现将一年的临床观察报告如下。材料与方法埋植剂及套管针由国际人口理事会提供。Norp-lantⅡ型皮下埋植避孕剂由二根硅胶棒组成,长44mm,直径2.4mm,每根含左旋18甲基炔诺酮70mg。接受者为省内城乡育龄妇女,已有一个孩子,以置环有副作用、频脱环或带环受孕的妇女为主。年龄20～40岁,平均29.42±3.42岁。接受者在埋植前末次妊娠结局为人流者占78.67%,皆为避孕失败所致,80.33%有过置环历史,92%为一胎产后。接受者平 Since 1984, we have accepted the clinical research task of 300 cases of Norpla-nt II subcutaneous implantable contraceptives introduced by the State Family Planning Commission. As of May 1986 observed 13 ordinal end of the month, due to various reasons, the termination of 18 cases, now the clinical observation of the year reported as follows. Materials and Methods Implants and trocars are provided by the International Population Council. Norp-lant II subcutaneous implants contraceptives composed of two silicone rods, length 44mm, diameter 2.4mm, each containing 18-norlene norepinephrine 70mg. Recipients of women of childbearing age in urban and rural areas in the province, has a child, to ring side effects, frequency off the loop or ring with pregnant women dominated. Age 20 to 40 years, mean 29.42 ± 3.42 years old. The recipients accounted for 78.67% of the patients who had the next pregnancy before implants. All of them were caused by failure of contraception, 80.33% had history of setting the ring, and 92% were one child after birth. Recipient flat