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Abstract
The present study was conducted upon 100 pregnant women at risk of placental insufficiency, with the aim to reveal the the value of 3D power doppler (3DPD) in assessment of placental vasculature in relation to Doppler indices and correlation of both with neonatal outcome and placental histopathology. Placental blood flow perfusion in patients with affection of fetal doppler (IUGR, severe preeclampsia and antiphospholipid syndrome) had a lower VI, FI, VFI compared to patients with normal fetal doppler. This difference was statistically highly significant (P < 0.001). Also there was inverse correlation between RI umbilical and VI, FI, and VFI and direct correlation between RI MCA, placental weight, placental volume, and birth weight with VI, FI, and VFI. 3DPD indices of placental bed vasularity revealed a significant change of placental vasculature before reflrction on fetal doppler. 3DPD ultrasound may be an important modality in future placental research and in the evaluation of feto - placental insufficiency in clinical practice