环扎1次，24周，术后一个多月宫颈依然在变短，目前宫颈长度2.8,万一环扎失败是否还能救助胎儿?Annulus ligate 1 time, 24 weeks, after a more than a month cervix still is getting shorter, at present cervical length 2.8, in case annulus ligate failure whether still can save a fetus?

　　北京安太医院专家指出：宫颈环扎孕后刺激宫颈，丝线的承重也不够，目前宫颈长度2.8可以通过我们的科研新技术宫颈埋箍安太环来救助胎儿，可以签约保胎!

　　Beijing antai hospital experts pointed out: cervical ring ligation pregnancy after the stimulation of the cervix, the silk thread bearing is not enough, at present the cervical length 2.8 can pass our scientific research new technology cervical embedded collar safety too ring to rescue the fetus, can sign a contract to save the fetus!