Indian Journal of Forensic Medicine & Toxicology

The Infant Mortality Rate in Indonesia in 2015 was 22.23 per 1000 of live births. At the Haji Hospital, Surabaya in 2017, there were 17.8% premature labors. This study aims to determine the factors that cause premature labor at Haji Hospital, Surabaya, using cross-sectional design. The sample were 277 mothers whom giving birth in Haji Hospital, Surabaya on January until December 2017, selected by proportional random sampling. The data source were medical records. Data were analyzed by logistic regression test. There was a relationship between work factors, pregnancy complications, antepartum bleeding, premature rupture of membranes with incidence of premature labor, anda there was no relationship between maternal age, parity, labor history, pregnancy distance, polyhydramnios with incidence of premature labor. The dominant factor that causes premature labor was work.