Ultrasound assessment knowledge of the jennies pregnancy conducted after the 150 day is still to be researched in order to identify jennies at risk of abnormal pregnancy. the aim of this study was to test additional validate techniques of jennies fetal envaironmenet ultrasound evaluation by collecting different parameters with weekly trans-rectal and trans-abdominal ultrasonography from day 150 to pregnancy term in 6 pregnant jennies: ctup;orbit diameter; aortic diameter; thorax diameter; heart rate; RI and PI of the umbelical artery