Abstract
Early rupture of membranes is the most common cause of labor. The incidence rate of KPD in 2010 ranges from 6-10% of all births. The number of deliveries at RSIA Anugerah 2016 (1.302). Number of KPD 204 (15,66%) and impact on infant with neonatorum sepsis as much as 30 (14,70%). The purpose of this research is to know the risk factor of KPD. The type of research is analytic correlation with Case control approach. Variables: age, hidramnion, gemeli, abnormality, CPD, parity, low hemoglobin and KPD. The population were all pregnant women with KPD (204), sample 126 and instrument using checklist.The result of the research with Chi-Square statistic test p value