宫颈机能不全，晚期复发性流产4次的她于2005年孕30周及2018年孕22周无明显诱因的自然流产，2008年孕28周及2014年孕27周无明显诱因的出现胎膜早破早产。

　　Cervical dysfunction, late recurrent Miscarriage 4 times in 2005 pregnancy 30 weeks and 2018 pregnancy 22 weeks of spontaneous Miscarriage without obvious causes, pregnancy in 2008 28 weeks and 27 weeks of pregnancy in 2014 without obvious causes of the appearance of fetal premature premature delivery.

　　扩宫试验：8号扩宫棒顺利通过。Palace expansion test: No. 8 palace expansion stick passed smoothly.

　　治疗方案：宫颈埋箍Treatment plan: cervical collar

　　治疗结果：孕前埋箍顺利足月。Result of treatment: Pre-pregnancy buries smooth full moon.