after birth, the symptoms of the child are similar to that of incompatible blood transfusion in adults.  the baby may have pale skin due to anaemia. the yellowing of the umbilical cord, skin and eyes, also known as jaundice, may arise within 24 to 36 hours of birth. signs of hydrops fetalis such as the enlargement of spleen, heart and liver, along with severe edema, will continue after birth.