７５例带金属单环失败后改置Ｖ型节育器的观察青海省大通县人民医院包玉秀我院于１９９３年至１９９４年１０月间对既往带环怀孕，脱环怀孕及脱环的７５例受术者改置Ｖ型宫内节育器，取得较好效果，现将随访情况报道如下。本组７５例均是带金属单环而失败者，其中工人、干... 75 patients with a single metal ring failure to change the V IUD after observation Datong County People’s Hospital of Qinghai Province, the package Yuxiu Hospital from 1993 to October 1994 between the previous pregnancy band, uncoated pregnancy and loop 75 Example by the surgeon to reposition V-IUD, and achieved good results, the follow-up report is as follows now. This group of 75 cases are with a single metal ring and losers, including workers, dry ...