陈凤林教授指出：晚期流产常做的检查有阴道镜、阴道四维彩超、动态数字化子宫输卵管碘油造影、宫口松弛试验、溶血试验。

　　Professor Chenfenglin pointed out that the tests that are often done in late miscarriagess include vaginal mirrors, vaginal four-dimensional color ultrasound, dynamic digital uterus tubal iodine oil imaging, uterine relaxation tests, and hemolytic tests.