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Parnu Hospital

3D/ 4D Ultrasound (Anomaly Scan at 18 to 22 weeks)

The 3D/4D ultrasound, also known as an anomaly scan or fetal anatomy scan, is a prenatal ultrasound performed between 18 and 22 weeks of pregnancy to assess fetal development and check for potential abnormalities. 

Here's a more detailed explanation:

  • Purpose:

    The primary goal of this scan is to assess the physical development of the fetus, including checking for major anatomical abnormalities and certain congenital disorders. 

  • Timing:

    It's typically performed between 18 and 22 weeks of pregnancy, a time when the fetus's organs and structures are more developed and easier to visualize. 

  • What it checks for:

    • Fetal growth: The ultrasound technician will take measurements to ensure the fetus is growing appropriately for its age. 
    • Organ development: The scan examines the development of internal organs like the heart, brain, kidneys, spine, and limbs. 
    • Placenta and amniotic fluid: The position of the placenta and the amount of amniotic fluid are also assessed. 
    • Potential abnormalities: The scan can help detect signs of various conditions, including chromosomal abnormalities and other birth defects. 

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