Decidual concentrations and binding sites of progesterone receptor(PR)and estrogen recepor (ER)were measured with dextran coated absorption (DCC) and cytochemical method. 27 women were randomly divided into control and experimental groups.

• 采用Dcc法和酶联组化法，检测27例随机分组的健康早孕妇女服用或未服炔诺酮的蜕膜组织中雌、孕激素受体，并进行定量与定位分析。