Study Status: Not yet recruiting
Recruit Status: Not yet recruiting
Study Type: Observational
Official Title: Ultrasound Monitoring of Fetuses With Vascular Intra-uterine Growth Restriction (IUGR) Using the Isthmus Systolic Index (ISI): Feasibility, Comparison to Normal Fetuses and Association With
Brief Summary: Fetuses with IUGR, there is a correlation between Doppler indices of cardiovascular function and perinatal mortality. An index of systolic flow velocities at the aortic isthmus (ISI) has previously been described in a population of normal fetuses. Fetuses with IUGR, the velocities recorded in the aortic isthmus could be affected and the normal development of the ISI should be changed, because of the increase in placental resistance on one hand, and the gradual deterioration ventricular functions on the other one. Investigators hypothesize that the ISI index in the context of placental insufficiency could provide additional arguments on the extraction timing, the prognosis and the fetal extraction mode to severe hypoxia. The primary outcome of the study is to evaluate in an exploratory manner the feasibility and the potential interest of longitudinal monitoring of fetuses with IUGR by Doppler systolic isthmus and the calculation of the ISI index.