Can Congenital Heart Disease Be Detected Before Birth?

 

Many congenital heart defects can be identified during pregnancy through routine screening.

In the UK, the 20-week anomaly scan is the primary method used to assess the baby’s development, including the structure of the heart. This scan allows clinicians to examine the chambers, valves, and major blood vessels.

Detection rates vary depending on the type of defect.

More severe or structural abnormalities are often easier to identify, while milder conditions may not be visible during routine screening.

If a potential issue is identified, a foetal echocardiogram is arranged. This is a specialised scan that provides a detailed assessment of the heart’s function and blood flow.

Early diagnosis offers significant advantages.

It allows for planned delivery in a specialist centre, immediate access to neonatal care, and better coordination between medical teams.

While not all defects can be detected before birth, many critical conditions are identified early enough to improve outcomes.

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