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本研究对１４２人的子宫内膜进行厌氧菌。需氧菌培养分离和鉴定。结果表明，置宫内节育器（ＩＵＤ）致出血组细菌感染率为１０．５％（厌氧菌为８．８％，需氧菌为１．７％），显著高于未置ＩＵＤ正常组０％的感染率，Ｐ＜０．０５；并是置ＩＵＤ正常组的３．６倍。置ＩＵＤ出血组厌氧菌单独的感染率也明显高于置ＩＵＤ正常组，未置ＩＵＤ正常组和未置ＩＵＤ出血组。在置ＩＵＤ出血组内，置ＩＵＤ≤１２个月者细菌感染率为２６．３％，而置ＩＵＤ＞１２个月者仅为２．６％．两者比较差异非常显著；并且，带“Ｔ”型ＩＵＤ者细菌感染率是带“Ｏ”型的６倍。
In this study, anaerobic bacteria were cultured in 142 human endometrium. Aerobic culture separation and identification. The results showed that the infection rate of bleeding caused by IUD was 10.5% (anaerobic bacteria was 8.8% and aerobic bacteria was 1.7%), which was significantly higher than that of the normal group without IUD 0% infection rate, P <0.05; and 3.6 times that of normal IUD group. The infection rate of anaerobic bacteria in IUD bleeding group was also significantly higher than that in normal IUD group, normal IUD group and no IUD bleeding group. In the IUD bleeding group, the bacterial infection rate of IUD≤12 months was 26.3%, while that of IUD> 12 months was only 2.6%. The difference between the two was significant, and the bacterial infection rate of “T” type IUD was 6 times higher than that of “O” type.