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52例带宫内节育器(IUD)妊娠者均经B超检查证实。置器到受孕1个月至16年。其中带金属单环者42例,官形环6例;月经干净后放置40例,人流术中置环8例,4例为哺乳期放置。
52 cases of pregnancy with intrauterine device (IUD) were confirmed by B-ultrasound. Placement until pregnancy 1 month to 16 years. Among them, there were 42 cases with metal single ring and 6 cases with official ring; 40 cases were placed after menstruation was clean, 8 cases were placed by artificial abortion and 4 cases were placed for lactation.