The present research aims to examine the relationship between anxiety in the third trimester of pregnancy and Obstetric Outcomes within Miandoab County in 2013. the statistical population consists of 540 mothers and their Neonatal who were selected among the pregnant women within Miandoab County. To examine the relationship between mother's anxiety in the third trimester of pregnancy on one hand and type of delivery, etony, dystocia, the perineum, bleeding on the other hand, depression anxiety stress scale (DASS) was used. The data relating to the obstetric outcomes by use of record sheet consist of the self-reporting tool that was collected by the researcher through observation and collection of data as Obstetric Outcomes from patient's medical record. Data were analyzed using Multivariate analysis of variance (MANOVA) and Spearman correlation coefficient. findings indicated that there is not a significant relationship between mother's anxiety in the third trimester of pregnancy and Eton, dystocia, the perineum, bleeding. Yet, there is a significant relationship between mother's anxiety in the third trimester of pregnancy and type of delivery. In this study, 95.37 and 92.49 of the pregnant women with anxiety were under natural labor and cesarean.