hi if your baby is having reddish or pinkish mass like thing coming out of her umbilicus with yellowish discharge, it is mostly a granuloma which is quite common and regresses on its own. clean the area if the skin around the umbilicus is red and tender. I advice you to put rock Salt in the umbilical area as it absorbs the moisture and shrinks the granuloma. you can do this twice one week apart. if it s still there consult your doctor for copper sulphate crystal application as it decreases the mass, but be careful it should be applied by a medical person. hope this helps you, take rate