The present study entitled "Programme of obstetrical psycho and its influence on the Behavior of pregnant women, treated at the Hospital essalud II - Tarapoto. June -September 2014 “; quantitative, analytical, prospective , cross-sectional design "ex Post facto" study whose objective was to determine the influence of the program of Obstetrical psycho behavior of pregnant women, worked with a sample of 30 Pregnant for both the experimental group and the group control, instrument pickup And questionnaire data was Watchlist according ESPERI test , validated by experts , Data is organized based Excel 2010 and SPSS software. V.17 . The results found that: pregnant women who received the program , 50% (15) have Upper and middle of knowledge about the topics covered level , 70 % (21) have Adequate standard of behavior against pregnancy . According dimensions, 100 % (30) have adequate standard...