尽管过去几十年来早产的病因学研究取得进展,但早产的发生率仍呈上升趋势,并成为产科一大难题。约80%的新生儿病率和死亡率与早产有关,分娩孕周越小,围产儿预后越差。然而,到目前为止,尚缺乏有效的方法来预防早产的发生。因此,有效的治疗就显得极为重要。根据胎膜是否完整,可以 Although progress has been made in the etiology of preterm birth in the past few decades, the incidence of preterm birth is still on the rise and has become a major problem for obstetrics. About 80% of neonatal morbidity and mortality are related to premature birth, the smaller the gestational age of childbirth, the worse the prognosis of perinatal. However, so far, there is no effective way to prevent premature birth. Therefore, the effective treatment is extremely important. According to the integrity of the fetal membrane, you can