signs your child has cystic fibrosis?
['recurring chest infections.', 'wheezing, coughing, shortness of breath and damage to the airways (bronchiectasis)', 'difficulty putting on weight and growing.', 'jaundice.', 'diarrhoea, constipation, or large, smelly poo.', 'a bowel obstruction in newborn babies (meconium ileus) – surgery may be needed.']