Research Article

Analysis of Proteomic Characteristics of Peripheral Blood in Preeclampsia and Study of Changes in Fetal Arterial Doppler Parameters Based on Magnetic Nanoparticles

Figure 6

Changes of Doppler parameters of umbilical artery blood flow: (a) the ratio of umbilical artery peak systolic velocity to end-diastolic blood flow velocity (S/D); (b) umbilical artery pulsatility index; (c) umbilical artery blood flow resistance index.
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(b)
(c)