Mom is b blood type father is o blood type, the chance of hemolysis is very small, whether or not the occurrence of hemolysis or the severity of hemolysis occurs, not only and abo blood group system related, more and rh (d) whether positive, but also occasionally and the use of drugs.
1. If the mother is rh(d)-negative, either B or O, etc., which belongs to what is known as the panda blood type, she needs to be alerted to the occurrence of hemolysis in the newborn, and the chance of hemolysis in the newborn is high. Once the occurrence of neonatal hemolysis, some babies will be very serious, and even life-threatening, may need to change blood treatment, etc..
2. If the blood type is rh(d)-positive and not O-type, basically no neonatal problems will occur.
3. The use of some medicines by the mother before delivery or during breastfeeding, including medicines for the baby, may also lead to the occurrence of hemolysis in the newborn, including isoniazid and chloral hydrate.