B. Patients who do not go into labor immediately are at increasing risk of infection as the duration of rupture increases. Chorioamnionitis endometritis sepsis and neonatal infections may occur.

• 破膜后未能迅速进入产程的患者随着破膜时间延长，感染的机率也随之增加。绒毛膜羊膜炎，子宫内膜炎，败血症和新生儿感染都有可能出现。