UtARI did not vary significantly between the three groups (0.73, 0.70 and 0.71, respectively). Women in Group 1 had a significantly higher prevalence of uterine artery notching than those in Group 2 (73 vs 57%, p=0.04). In Group 1, the UtARI and prevalence of notching was not significantly increased when pregnancies were subsequently complicated by pre-eclampsia (p=0.60 and 0.61, respectively). However, in 12 pregnancies requiring delivery before 37 weeks due to pre-eclampsia, fetal growth restriction, abruption or intrauterine fetal death, the UtARI was significantly higher than in the 44 pregnancies with normal outcome (p=0.04). A combination of UtARI and notching showed sensitivities up to 75% and negative predictive values up to 88% for adverse outcome before 37 weeks...
So, a bad uterine artery doppler doesn't always pick out women who are going to go on to develop preeclampsia in subsequent pregnancies, although a *really* bad one seems to be related pretty well.
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