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宫内节育器报告人谈他们使用的是铜T_(250)宫内节育器,铜丝缠在长臂上。为了选择合适的宫内节育器,他们研制了一种宫腔测量计,该种器械不仅能测量宫腔的长度,同时也能测量宽度。测量计上有两个叶,长12毫米,撑开时可增到20毫米长,能测量整个宫腔的大小。第二个进展是对Lippes节育器作了改进,在其长臂上有3个孔并结上肠线。这种节育器
IUD speakers talk about their use of copper T_ (250) IUD, copper wire wrapped around the long arm. In order to choose the right IUD, they developed a uterine cavity gauge that not only measures the length of the uterine cavity but also measures the width. The gauge has two leaves, 12 mm long, which can be extended to 20 mm long to measure the size of the entire uterine cavity. The second development was an improvement on the Lipiber IUD, with three holes in its long arm and a gut. This IUD