宫颈松弛是孕12周后流产的主要原因，陈凤林教授发明高新技术宫颈埋箍安太环，孕前宫颈埋箍，是在3D腔镜将一个生物箍埋在宫颈内口处，有效率99%， 孕后做小月份三D腔镜下完成，大月份结合阴式，生物箍为与人体相容性好，不必取出。不影响早期人流手术，想顺产可以足月取!

　　Cervical relaxation is the main cause of miscarriage after 12 weeks of pregnancy. Professor Chenfenglin invented the high-tech cervix imbedded antera ring, and the cervix imbedded the cervix before conception. It is buried in the cervix at a 3D endoscope, with an effective rate of 99 %. After pregnancy, do a small month under the three-dimensional endoscope. In the big month, the combination of Yin style and biological hoops is good for compatibility with the human body and does not need to be removed. Does not affect the early miscarriage surgery, want to produce smoothly can take full moon!