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宫内节育器所引起的子宫异常出血是多种原因综合作用的结果。如血管损伤,炎性反应,凝血功能改变,以及子宫内膜纤溶活性增强,前列腺素增多等。虽然对这些原因作了不少研究,但确切的机理仍未完全阐明。近年来,由于医学科学的发展,免疫学基础理论的深入研究,在计划生育领域中有许多问题已引起人们的注意。Fleewood等(1984)报道了带器妇女的宫
Uterine bleeding caused by intrauterine device is the result of a combination of multiple causes. Such as vascular injury, inflammatory reaction, coagulation changes, and endometrial fibrinolytic activity increased, prostaglandin increased. Although many studies have been made on these causes, the exact mechanism has not yet been fully elucidated. In recent years, due to the development of medical science and the in-depth study of the basic theory of immunology, many problems in the field of family planning have drawn people’s attention. Fleewood et al. (1984) reported the women’s palace with the device