Home > Medical > Heart Health > Congenital heart disease Congenital heart disease All sections in Heart » About Heart » Children & Heart Disease » Congenital Heart Disease » Emergency Treatment » FAQs » Diet and your Heart » Health Tips » Heart and Exercise » Heart Attack » Heart Transplants » After a Heart Attack » Multimedia » Heart News » Obesity » Smoking & your Heart » Stress & your Heart » Tests & Procedures » The Heart in Space » Treatment » Women & Heart Disease What is a congenital heart defect? If a baby stays blue after birth, he may have a congenital heart defect (CHD) and will need immediate medical attention. CHD not a problem before birth Many people wonder why congenital heart defects (CHD) only becomes apparent at birth and not before the baby is born. CHD - prevalence and diagnosis Congenital heart defect is the commonest form of major birth defects, affecting 6-8/1000 live births. Most (up to 60%) of babies with CHD are diagnosed by one month of age. Ask Cardiologist » Quiz Is your diet heart-healthy? » Quiz Could I have high cholesterol? » Subscribe Newsletters » Simple tips on keeping a healthy heart 7 steps to a healthier heart Signs and symptoms of CHD The type and severity of the actual heart defect will determine what symptoms and signs the child displays. What causes CHD? There are several different causes of congenital heart defects – some are unknown, others are chromosomal, and some are environmental. load more articles advertisement From our sponsors A number of good reasons why saving the tooth is a better option Breakfast like a King Alzheimer’s disease – incurable but preventable Cancer is a word that strikes fear into the hearts of many.