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我院自1983年10月至1984年10月在计划生育门诊放置 TCu 220C 型节育环(以下简称 T 环)145例,现做一分析。一、放置 T 环指征(一)有脱环史或带器妊娠史者:145例中过去曾有1~2次脱环史者42例(29%)。带器妊娠
Our hospital from October 1983 to October 1984 in the family planning clinic placed TCu 220C IUD (hereinafter referred to as T-ring) 145 cases, are doing an analysis. First, the placement of T-ring indication (a) a history of de-ringing or pregnancy with a fetus: 145 cases in the past had 1 or 2 times the history of de-ringing in 42 cases (29%). Pregnancy with device