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Parnu Hospital

Foetal Doppler Scan

A fetal Doppler scan, or Doppler ultrasound, uses sound waves to detect and assess blood flow in the fetus, uterus, and placenta, helping to monitor fetal well-being and identify potential complications during pregnancy. 

Here's a more detailed explanation:

  • What it is:

    A fetal Doppler scan is a type of ultrasound that uses sound waves to detect the movement of blood in vessels, specifically the movement of red blood cells. 

  • How it works:

    The Doppler ultrasound device emits sound waves that bounce off the blood cells and return to the device, creating a sound that can be heard through a speaker. 

  • What it checks:

    The scan assesses blood flow in the baby's body, including the umbilical cord, and in the uterus and placenta. 

  • Why it's used:

    • Fetal well-being: It helps monitor the baby's heart rate and assess overall health. 
    • Detecting complications: It can help identify potential problems like growth restriction, twin transfusion syndrome, and fetal arrhythmias. 
    • High-risk pregnancies: It's particularly useful in high-risk pregnancies to monitor the baby's condition. 
  • Types of Doppler Ultrasound:

    • Color Doppler Ultrasound: This technique uses a computer to adjust the emitted sound waves into varying colors to produce a final-colored image, giving a clear path and understanding of the blood flow through different blood vessels. 
    • Uterine Artery Doppler Ultrasound: This specifically checks the blood flow between the mother and the baby, which can indicate the risk of preeclampsia. 

 

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