ARTICLE REVIEW : UTERINE ARTERY NOTCH At 20wks-15% diastolic notch present At 24wks- 5% retain diastolic notch Placental side Uterine  Artery-better predictor +/-Notch is the best predictor, specially with high RI NOTCH IS BETTER PREDICTOR THAN RAISED RI Raised RI without NOTCH - did not have that bad course of pregnancy in one study,  Normal Ut Art flow waveform + low RI-very reassuring Abnormality >>impaired trophoblastic invasion at risk for PE, IUGR, Abruptio placenta, PIH UNILATERAL NOTCH : ALSO ABNORMAL, risk is somewhat lesser. CONCLUSION : FOCUS ON THE NOTCH (UNILATERAL OR BILATERAL) AND LESS ON RI AND PUT THAT PT AS HIGH RISK IF NOTCH SEEN