However, preterm birth
continued to be a major problem even when expectant management was employed. The poor perinatal outcome seen in women with placenta previa and many factors from this study mainly reflected premature. In summary, also experienced premature rupture of
membranes, or other problems that resulted in delivery before 37-week gestation, do not appear to have an increased risk of preterm delivery. We had shown that the predictors risk of preterm deliveries rate including placenta previa, oligohydramnios, premature of membranes, hypertension during pregnancy and thyroid disease. However, limitations in this study is that our study was done retrospectively.