RT Book, Section A1 Gonçalves, Luis F. A1 Abramowicz, Jacques S. A2 Fleischer, Arthur C. A2 Abramowicz, Jacques S. A2 Gonçalves, Luis F. A2 Manning, Frank A. A2 Monteagudo, Ana A2 Timor, Ilan E. A2 Toy, Eugene C. SR Print(0) ID 1151031908 T1 Uterine Artery Doppler T2 Fleischer's Sonography in Obstetrics and Gynecology: Textbook and Teaching Cases, 8e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781259641367 LK obgyn.mhmedical.com/content.aspx?aid=1151031908 RD 2024/04/18 AB Key TermsDiastolic notch: well seen depression or indentation in the initial early diastolic component of the Doppler waveform that indicates increased resistance to blood flow in the vascular territory being studied.ART: assisted reproductive technology.PAPP-A: plasma-associated protein-A is a protease secreted by the placenta. Low levels are associated with increased risk of trisomy 21 as well pregnancy-related complications such as miscarriage, preg nancy-induced hypertension, fetal growth restriction and gestational diabetes.PlGF: placental growth factor is a protein of the vascular endothelial growth factor subfamily involved in angiogenesis. It is highly expressed in the placenta at all stages of gestation. Low levels of PlGF are associated with an increased risk for preeclampsia.