The children of mothers with congenital heart disease may have a higher risk of developmental vulnerability at age five, according to international research. The study, which looked at 250,000 kids in Canada, found that the 456 kids who had mothers with a congenital heart defect had a 28% higher risk of scoring in the bottom 10% of two categories that assess child development at age five. The researchers say that recognising this link could help identify women who would benefit from extra help t