Diagnosing
Ultrasound scan
CDH is most commonly diagnosed at the routine mid-pregnancy ultrasound scan (“anomaly scan”).
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Genetic testing
The great majority of babies with CDH have so-called isolated defects. This means that the baby has no other anomalies.
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Assessment of CDH severity
As soon as CDH is picked up on a prenatal ultrasound scan, a perinatal specialist practitioner, with experience in the ultrasound evaluation of CDH, will measure the size of the lung in the chest cavity.
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