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Parnu Hospital

Foetal Growth Scan

A fetal growth scan, or growth scan, is a type of ultrasound used during the third trimester of pregnancy to assess the baby's growth and overall health, often performed between 24 and 40 weeks. It measures the baby's size, checks for abnormalities, and assesses amniotic fluid levels and placental function. 

Here's a more detailed explanation:

Purpose of a Fetal Growth Scan:

  • Identify Potential Issues:

    It helps detect potential problems like fetal growth restriction (baby growing smaller than expected) or large for gestational age (baby growing larger than expected). 

  • Evaluate Fetal Well-being:

    The scan also checks for signs of distress, such as reduced movement or abnormal heart rate. 

  • Assess Placental Function:

    It evaluates the position and maturity of the placenta, as well as blood flow to the placenta and fetus. 

  • Check Amniotic Fluid:

    The scan measures the amount of amniotic fluid, which is important for fetal development. 

  • Determine Fetal Position:

    The scan can help determine if the baby is in a normal head-down position or if there are any other abnormalities. 

  • Monitor Multiple Pregnancies:

    Growth scans are also used to monitor the growth and development of twins. 

  • Assess Fetal Growth:

    The primary goal is to ensure the baby is growing at the expected rate for gestational age. 

What Happens During a Fetal Growth Scan:

  • Ultrasound: The scan uses ultrasound technology, which is a safe and non-invasive way to visualize the baby. 
  • Measurements: The sonographer will take various measurements, including head circumference (HC), abdominal circumference (AC), and femur length (FL). 
  • Estimated Fetal Weight (EFW): These measurements are used to calculate an estimate of the baby's weight. 
  • Placental Assessment: The placenta's position and appearance are evaluated. 
  • Amniotic Fluid Assessment: The amount of amniotic fluid is measured. 
  • Fetal Movement: The sonographer will observe the baby's movements. 
  • Doppler Ultrasound: In some cases, a Doppler ultrasound may be used to assess blood flow to the placenta and fetus. 
  • 3D and 4D views: Some clinics may offer 3D and 4D views of the baby's face if desired 

 

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