When the fetus is in a state of hypoxia in the uterus, there will be too many red blood cells in the blood, and then after birth, due to the hypoplasia of liver function, the metabolism of bilirubin is easily affected, which makes the baby appear jaundice for a period of time.

02 breast milk jaundice

When the baby is breastfeeding, some substances contained in it can easily affect the baby's liver, so that bilirubin in the blood cannot be metabolized in time, and then the baby becomes jaundice due to the increasing concentration.

03 hemolytic jaundice

This kind of jaundice is mainly caused by the mismatch between the blood types of the fetus and the mother, such as the O type of the mother and the A type of the fetus. And the two are prone to react, which leads to jaundice within one day after the baby is born, and the symptoms are getting worse.

04 obstructive jaundice

This kind of jaundice is caused by congenital biliary malformation, which usually appears within 15 days after birth, and it is in a deepening state, and even the color of stool will change. At this time, you should go to the hospital in time to avoid delaying your illness.