Conersely, attempts to prolong pregnancy with expectant management may result in fetal death or asphyxial damage in uter相反的，采用保守治疗来延长妊娠时间可能导致胎儿的死亡，宫内窒息并增加母体发病率。
Conversely, attempts to prolong pregnancy with expectant management may result in fetal death or asphyxial damage in ute相反的，采用保守治疗来延长妊娠时间可能导致胎儿的死亡，宫内窒息并增加母体发病率。