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  • Title: [Clinico-pathologic study of 285 cases of ectopic pregnancy in intrauterine devices-users and non-intrauterine devices-users].
    Author: Li BZ, Zhang YJ, Zhang ZM.
    Journal: Zhonghua Fu Chan Ke Za Zhi; 1994 Apr; 29(4):238-40, 255. PubMed ID: 8082451.
    Abstract:
    Two hundred eighty five cases of ectopic pregnancy in Beijing area from Jan. 1 to Dec. 31 1990 including 150 cases of intrauterine devices (IUD) and 135 cases of non-IUD users were studied. Clinico-pathological observation included the history of pelvic inflammatory disease, the site of ectopic pregnancy, the classification of previous tubal inflammation of the ectopic side and other pathologic lesions, the side of the corpus luteum of pregnancy and histology of endometrium, etc. Besides, using stereologic technique the cilia length and cilia density of endosalpinx were studied in 50 cases through image analysis system. Results showed that except for a significant higher frequency of ovarian pregnancy in IUD-users, there was no significant differences between the 2 groups. It indicated that the degree of injury of fallopian tubes and the factors causing the damage were similar in both groups. The authors concluded that IUD does not increase the risk of fallopian tube lesions.
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