The coefficient of correlation of two indications was 0.939. The positive and negative predicted value were 42.9% and 93.6% when use E 2 as indication, while they are 40% and 91.4% when use follicular score.

• 2种指标的相关系数为 0 .；939；以E2 作为指标进行预测；阳性预测值和阴性预测值分别为 4 2 9%25和 93 6%25；以卵泡分值为指标；阳性预测值和阴性预测值分别为 4 0%25和 91 4%25。