Born without fibula bones due to a congenital defect, he had his legs ampuated at 11 months.

NPR: News Of Pistorius Leaves Many In Disbelief

Born with a congenital defect, Pistorius had both legs amputated below the knee when he was 11 months old.

CNN: London 2012 delivers unexpected legacy

This operation is intended to restore bladder function to people with spina bifida, a congenital defect that causes nerve damage and a loss of sensation and muscle function below the waist.

ECONOMIST: Chinese ethics

Mr Sneddon, from Kirkcaldy in Fife, was born with a congenital liver defect.

BBC: Fraser Sneddon, Nicola Sturgeon and Lesley Ross

Her husband has a congenital heart defect and is unable to work.

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Bj Babcock had surgery in 1998 for a congenital heart defect.

WSJ: Giving More Support to Support-Group Leaders

The precocious 6-year-old was born with a congenital heart defect and had a complication with a tube inserted in his right leg, leading to an amputation above his knee.

CNN: Double amputee loses legs, finds a cause

Cincinnati Children's Hospital Medical Center, where Patience is still fighting for her life, sees a dozen cases a year of this rare defect, called a congenital diaphragmatic hernia.

FORBES: Special Surgery

Another task force has focused on the dozen cases a year of Patience's congenital defect.

FORBES: Magazine Article

Eisenmenger (I-sun-meng-uhr) syndrome is a complication of a heart defect that you're born with (congenital).

CNN: Eisenmenger syndrome