As adults born with OA/TOF start families, they may seek medical advice about recurrence risk in their children. In those with isolated OA/TOF and those with non-isolated OA/TOF who aren’t part of a known genetic syndrome, recurrence risk is between 2% and 4%. (143) However, for those with genetic syndromes, the recurrence risk depends on the mode of inheritance of the syndrome and genetic counselling is advised.
Maternal health during pregnancy and delivery for women born with OA/TOF
There is no published research in this area, but from research in the Adult TOF support group, there are a few common themes of problems that can arise, mainly due to aggravation of existing issues by the increased demands on the body by pregnancy or the pressure of the foetus in the abdomen and pressure on the thorax.