If there is a strong family history, the risk would be somewhat higher (two percent to five percent in most cases), depending on the type of defect and the number of affected people in your family.
Xa ikho ngamandla kusapho le ngxaki uza kuba phezulu umngcipheko (iiphesenti ezimbini ukusa kwezintlanu kwiimeko ezininzi), kuxhomekeke kuhlobo olo lwengxaki kwakunye nenani labantu abachaphazelekayo kusapho lwakho.