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已经证实人宫腔液中存在着两种能使纤溶酶原转变为纤溶酶的激活因子,一种为类尿激酶激活因子,另一种为类组织激活因子。使用和未使用IUD者宫腔液中纤溶酶活性均随月经周期的不同时相呈相似的周期性变化,但前者纤溶酶活性略低。作者选择身体健康、月经正常的妇女88名,其中有使用IUD(1/2～3年之间)和未使用IUD者。分别在月经增殖期、中期、黄体期和月经前期
It has been demonstrated that there are two activators of uterine fluid that convert plasminogen to plasmin, one is urokinase-activating factor and the other is a tissue-activating factor. Intrauterine fluid plasmin activity both with and without IUD had similar cyclical changes at different phases of the menstrual cycle, but the former had slightly lower plasmin activity. The authors selected 88 healthy women with normal menstruation, including those with IUD (between 1 and 2 to 3 years) and those without IUD. Respectively in the period of proliferation, mid-term, luteal phase and premenstrual