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本文用国产GCH—Ⅰ型宫腔测量器对143例育龄妇女进行宫腔测量,模拟出宫腔形态,探讨不锈钢O 型宫内节育器(IUD)脱落原因。通过测量,80%左右的宫腔近似等腰或等边三角形;14～20%的妇女宫腔下段过窄或过宽。从13例数次脱环者中看出,这些不规则的宫腔形态是IUD 脱落的主要原因之一。对23例妇女置器前后子宫收缩压力测定表明,宫腔内有器时,其子宫收缩压力比无器时大,t 检验结果(P<0.05)有显著性差异。但置器后一周宫缩的振幅又恢复正常,说明单纯置器后在正常范围内的宫缩并不致引起脱落。不锈钢O 型宫内节育器的脱落与不规则的宫腔形态有一定关系。
In this paper, the domestic GCH-Ⅰ uterine cavity measuring instrument for 143 women of childbearing age uterine measurement to simulate the uterine cavity morphology, to explore the reasons for the fall of stainless steel O-type IUD. Through the measurement, approximately 80% of the uterine cavity isosceles or equilateral triangle; 14 ~ 20% of women under the narrow or too wide uterine segment. Seen from the 13 cases of several times in the ring, these irregular uterine morphology is one of the main reasons for IUD shedding. The measurement of uterine systolic pressure before and after placement of the device in 23 women showed that the uterine systolic pressure in the uterine cavity was larger than that in the uterus when the uterine cavity was placed. There was a significant difference in t-test (P <0.05). However, one week after the home appliance contractions amplitude returned to normal, indicating that after simple home appliance within the normal range of contractions does not cause loss. Stainless steel O-IUD shedding and irregular shape of the uterine cavity has a certain relationship.