Research Article

Uterine Ultrasound Doppler Hemodynamics of Magnesium Sulfate Combined with Labetalol in the Treatment of Pregnancy-Induced Hypertension Using Empirical Wavelet Transform Algorithm

Figure 5

Blood flow spectrum. (a) Umbilical artery; (b) aortic stenosis; (c) fetal PV; (d) fetal venous catheter.
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