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目的研究人工流产术后放置宫内节育器(intrauterine contraceptive device,IUD)脱落与宫腔内压(intrauterine pressure,IUP)变化的关系。方法对122例要求人工流产术后即时放置TCu380A型IUD的已婚已育妇女利用压力测量仪测量IUD置入前后的IUP水平,并做结果分析。结果所有受试者经1、3、6、12月4次随访,12例在随访期间发现脱落。IUP上升组87例,其中11例脱落,脱落率为12.6%。IUP下降组35例,其中1例脱落,脱落率为2.9%。结论推测放置IUD后IUP显著增高是影响IUD脱落的主要因素之一。
Objective To study the relationship between the fall of intrauterine contraceptive device (IUD) and intrauterine pressure (IUP) after artificial abortion. Methods A total of 122 married and fertile women with TCu380A IUD immediately after induced abortion were surveyed by using a pressure gauge to measure the IUP level before and after IUD insertion and the results were analyzed. Results All subjects were followed up 4 times in 1, 3, 6, and 12 months, and 12 cases were found to fall off during follow-up. In the IUP group, 87 cases were exacerbated, of which 11 cases were exfoliated and the rate of exfoliation was 12.6%. IUP decreased group of 35 cases, of which 1 case shedding, shedding rate was 2.9%. Conclusion It is hypothesized that the IUP increased significantly after IUD placement is one of the main factors affecting IUD shedding.