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随着围产医学的发展,近十余年来晚期妊娠引产指征也渐放宽。凡由于母婴不宜继续妊娠或胎儿已成熟,而宫内环境不宜于胎儿继续发育的均采用人工方法诱发宫缩,促进分娩。诚然,影响引产成功与否的因素很多,但主要受宫颈成熟程度及先露高低影响。人工破膜加催产素静滴的引产方法受到推崇,引产过程中严密的监护亦是保证引产成功、确保母婴安全的关健。一、监护方法1.宫颈成熟度判定:目前常采用Bishop 评分法。宫颈成熟度越佳,引产成功率越高,故引产前必须作阴道检查行宫颈评分,若未成熟,则设法促其成熟。当宫颈评分≥7分时引产成功率可高达80%以上。
With the development of perinatal medicine, induction of labor induction in late pregnancy has been gradually widened in the past decade or so. Where the mother and child should not continue to pregnancy or the fetus has matured, and intrauterine environment should not continue to develop fetal use of artificial methods are used to induce contractions and promote childbirth. It is true that many factors affect the success of induction of labor, but mainly affected by the degree of cervical maturity and the level of exposure. Artificial rupture of membranes and oxytocin intravenous infusion of induction methods are respected, induction of labor intensive guardianship is also to ensure induction of labor success, to ensure the safety of mother and child. First, the guardianship method 1. Cervical maturity determination: Currently used Bishop score. Cervical maturity of the better, the higher the success rate of induced labor, it is necessary to make a vaginal examination before induction of cervical cervical score, if immature, try to promote its maturity. Cervical score ≥ 7 points when the successful rate of induction of labor can be as high as 80%.