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本文系观察放置新型固定式宫内节育器(Fix-Cu300IUD)后经血量的变化,选用TCu220C节育器作对照,采用随机比较及自身对照的方法。接收合格对象200例(各100例),使用12个月随访率为97.5％。结果显示:两种IUD置器前平均经血量分别为40.0ml和54.0ml,置器后1、3、6、12个月平均经血量分别为81.6ml、84.1ml、77.0ml、75.1ml和107ml、101ml、99.8ml、94.8ml,两组各时段经血量均较置器前增加(P<0.01),其中以3个月内尤为明显,6个月后逐趋恢复,至12个月仍较置器前稍高,固定式宫内节育器各时段经血量低于TCu220CP<0.05)。置器后各时段月经过多发生率统计表明对照组高于固定式宫内节育器组((P<0.05),这与固定式宫内节育器无支架、体软、对于宫内膜刺激小有关。
This article is to observe the changes of menstrual blood volume after placing a new type of fixed intrauterine device (Fix-Cu300IUD), TCu220C IUD is used as a control, and a random comparison and self-control method is used. The number of eligible patients receiving 200 cases (100 cases each), using a 12-month follow-up rate was 97.5%. The results showed that the mean menstrual blood volume before and after IUD implantation was 40.0ml and 54.0ml, respectively. The mean menstrual blood volume at 1, 3, 6 and 12 months after device placement were 81.6ml, 84.1ml, 77.0ml and 75.1ml respectively And 107ml, 101ml, 99.8ml and 94.8ml respectively. The menstrual blood volume of the two groups increased compared with that before the device (P <0.01), especially within 3 months. After 6 months, the menstrual blood volume recovered gradually to 12 Month still slightly higher than before the device, fixed intrauterine device IOP lower than TCu220CP <0.05). The statistics of the incidence of menorrhagia during each stage of the device showed that the control group was higher than that of the fixed IUD group (P <0.05), which was similar to the fixed IUD without stent, soft body and small endometrial stimulation related.