To endometrial polyp,the specificity,sensitivity,accuracy of 2D TVS and 3D TVS was 88.2% , 58.3% , 80.4% and 100%, 83.3% , 95.7% respectively.

• 诊断内膜息肉的特异性、敏感性、准确性分别为 88.；2%25、5 8