Sarah Sohail baigi - MA in clinical psychology, Motazedi Hospital, Kermanshah University of Medical Sciences,Kermanshah,Iran University of Medical Sciences, Kermanshah,Iran.
lida menati - Master of Midwifery, Department of Midwifery, School of Nursing and Midwifery, Kermanshah University of Medical Sciences, Kermanshah,Iran.
Poran Lorestani - Department of Midwifery ,Kermanshah University of Medical Sciences, Kermanshah,Iran.

In this research, we study the predisposing factors of post-natal depression. This research is an applied survey which is done through participation. The data are collected through field study and by two types of questionnaire: depression questionnaire and demographic and midwifery questionnaire, the statistical society of this research were all the pregnant women of Kermanshah who have delivered their babies in summer of 2931 and then have moved to health care centers of Kermanshah. The sampling method was the cluster sampling and some clinics were picked from them randomly and then the available samples were collected. Data analysis was done by SPSS, descriptive statistical indices (frequency, Mean and standard deviation) and other comprehensive statistical indices (Pearson's correlation coefficient and independent group T-test.The hypotheses were accepted and we understood that the maternal midwifery factors (like number of pregnancies, types of deliveries and abortions), neonatal factors (like gender, nutrition), maternal factors (like age, occupation, and education) are related to the delivery of infant. All of these factors have many Items that are accepted before the analysis

depression, delivery, predisposing factors of post-natal depression