Abnormal Doppler results at 12-14th week examination were associated with intra uterine growth retardation, fetal death/spontaneous abortion and small for gestational age birth... This study indicates that early evaluation of arterial uterine RI and presence of notches may be predictive of low birth weight and intra uterine growth retardation in a high risk population.
In this study they only enrolled women with a history of risk factors for placental problems. If the UAD was abnormal at 12-14 weeks, that was correlated to bad outcomes. I haven't pulled the full-text yet, but it looks like they also ran a Doppler at 20-24 weeks and abnormal readings *weren't* predictive. (I say this because they say, in the title, that they also looked at that population.) So this is yet another study suggesting that a UAD is at least weakly predictive in the population of high-risk women.
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