1 CE detection rate: The rate of CD138 immunohistochemical staining was greater than that of HE staining (27.96 % vs. 26.89 %, P <0.05); 2 Pregnancy rate: the pregnancy rate of CD138-positive patients (7.7 %) was lower than the pregnancy rate of CD138-negative patients (31.3 %) (p = 0.017 < 0.05); 3 The results from univariate analysis showed that a previous history of prolonged menstrual bleeding episodes, an abortion history, and complications of fallopian tube obstruction were associated with CE (P <0.05). The gene discussed is SDC1; the disease is cholesteryl ester measurement.