Symptoms, Jaundice Risks, and Medical Malpractice
When a mother and her baby have different blood types, and the mother’s immune system reacts against the baby’s red blood cells, it can cause ABO incompatibility. This most commonly happens when the mother has type O blood, and the baby has type A, type B, or type AB blood.
In some cases, the mother’s antibodies can cross the placenta and break down the baby’s red blood cells after birth, a process known as hemolysis. It is known to cause jaundice, anemia, and, in severe cases, dangerous bilirubin levels.
While most cases of neonatal ABO incompatibility are mild and treatable, it can also cause serious and permanent injuries.
Symptoms of ABO Incompatibility in Newborns
Symptoms of ABO incompatibility can appear within the first day or two after birth. Some babies even look healthy at first, which is why bilirubin checks and follow-up are important.
Common symptoms may include:
- Yellowing of the skin.
- Yellowing of the whites of the eyes.
- Jaundice that appears within the first 24 hours after birth.
- Jaundice that spreads from the face to the chest, belly, arms, or legs.
- Poor feeding.
- Trouble waking for feeds.
- Unusual sleepiness or lethargy.
- Weak or high-pitched crying.
- Pale skin from anemia.
- Fast breathing.
- Rapid heartbeat.
- Low muscle tone.
- Irritability.
- Dark urine.
- Fewer wet diapers than expected.
- Poor weight gain.
- Worsening jaundice after hospital discharge.
- Arching of the back or neck in severe bilirubin toxicity.
- Seizures occur in severe, untreated cases.
Injuries caused by ABO Incompatibility
The biggest concern involving ABO incompatibility is bilirubin buildup. Too much bilirubin can become dangerous when levels rise too high or increase too quickly. When bilirubin enters the brain, it can cause acute bilirubin encephalopathy, which in severe cases can cause permanent injury.
Bilirubin-related brain injury can cause serious long-term problems, including hearing loss, movement disorders, abnormal muscle tone, developmental delays, vision problems, dental enamel problems, and seizures. It’s worth noting that these outcomes are uncommon when jaundice is properly monitored and treated. However, when symptoms are missed or treatment is delayed, the consequences can be life-altering.
ABO incompatibility can also cause anemia. Anemia means the baby does not have enough healthy red blood cells to carry oxygen through the body. Mild anemia may improve with monitoring, but more serious anemia can make a baby pale, tired, weak, or unstable.
Possible Medical Malpractice Related to ABO Incompatibility
Not every case of ABO incompatibility is caused by malpractice. Many cases happen naturally and are successfully treated thanks to advancements in medicine. However, malpractice may be involved when medical providers fail to recognize, monitor, or treat dangerous jaundice or anemia.
Possible medical negligence may include:
- Failing to identify that the mother has type O blood and the baby may be at risk.
- Failing to check the baby’s blood type when clinically appropriate.
- Failing to order bilirubin testing for early or worsening jaundice.
- Relying only on visual inspection instead of measuring bilirubin.
- Ignoring jaundice that appears in the first 24 hours after birth.
- Failing to recognize poor feeding, lethargy, or abnormal tone as warning signs.
- Failing to repeat bilirubin testing when levels are rising.
- Misreading or ignoring abnormal bilirubin results.
- Failing to use AAP bilirubin treatment thresholds.
- Delaying phototherapy when treatment is indicated.
- Stopping phototherapy too soon without proper follow-up testing.
- Discharging a baby without a safe jaundice follow-up plan.
- Failing to educate parents about worsening jaundice and emergency symptoms.
- Failing to escalate care when bilirubin approaches dangerous levels.
- Failing to transfer the baby to a higher level of care when needed.
- Failing to evaluate or treat anemia caused by red blood cell breakdown.
ABO Incompatibility in Newborns FAQs
Is ABO incompatibility the same as Rh incompatibility?
No. ABO incompatibility and Rh incompatibility are both blood incompatibility problems, but they are not the same. ABO incompatibility involves A, B, AB, and O blood types. Rh incompatibility involves the Rh factor, which can be positive or negative.
ABO incompatibility is often milder than Rh disease, but it is still dangerous, as it can cause newborn jaundice and anemia. Rh disease is more likely to cause severe problems before birth, while ABO issues typically become noticeable after birth when jaundice develops.
What are the first signs of ABO incompatibility?
The first sign is often jaundice, which causes yellowing of the skin or eyes. Jaundice can appear within the first 24 hours after birth and may worsen quickly over the following few days. Other warning signs can include poor feeding, unusual sleepiness, weak crying, fewer wet diapers, pale skin, or trouble waking the baby for feeds.
Severe bilirubin problems may cause abnormal muscle tone, irritability, arching, or seizures. If a baby’s jaundice appears to be getting worse or the baby is acting unusually tired or difficult to feed, parents should not wait to seek medical attention.
How is ABO incompatibility diagnosed?
It starts by checking the mother’s and baby’s blood types, bilirubin levels, and signs of red blood cell breakdown. Doctors may order a direct Coombs test to determine whether antibodies are attached to the baby’s red blood cells. Doctors may also order blood counts to check for anemia.
Diagnosis is not based on blood type alone, as many babies have different blood types from their mothers and do not become seriously ill. The key factor is whether the baby has jaundice, rising bilirubin, anemia, or other signs of hemolysis.
Can ABO incompatibility cause brain damage?
Yes. If bilirubin becomes very high and is not treated in time, it can injure the brain. Bilirubin builds up in the blood when red blood cells break down. If bilirubin reaches dangerous levels, it can enter the brain and cause acute bilirubin encephalopathy.
If the injury becomes permanent, it may lead to kernicterus. This can cause hearing loss, movement problems, developmental delays, abnormal muscle tone, seizures, and lifelong disability. These outcomes are rare when jaundice is properly monitored and treated, but are known to happen when warning signs are missed.
Can ABO incompatibility be prevented?
Because ABO incompatibility depends on the blood types of the mother and baby, it usually cannot be prevented. However, it’s critical that healthcare providers offer timely treatment and proper monitoring for those at risk.
That means staff must monitor for signs of early jaundice, measure bilirubin levels, consider risk factors, and ensure that parents have clear follow-up instructions upon discharge. Again, if jaundice worsens or the baby seems unusually sleepy, parents should seek medical care right away, as the condition may become serious.
When can ABO incompatibility become medical malpractice?
When medical staff fail to meet accepted standards of care in managing ABO incompatibility, it may constitute medical malpractice. This can include e failing to recognize early jaundice, failing to order bilirubin testing, ignoring abnormal results, delaying phototherapy, discharging a baby without proper follow-up, or failing to escalate care when bilirubin approaches dangerous levels.
Malpractice is not based only on the fact that ABO incompatibility happened. The issue is whether medical providers acted reasonably once the risk or symptoms appeared. To prove a mistake was made, parents often need to consult with an attorney and other medical experts.
Why should parents contact Weisser Law if they suspect malpractice played a role?
Weisser Law has decades of experience fighting for our clients in medical malpractice claims. We’ve won millions of dollars for our clients and don’t settle for unrealistic offers from insurance companies.
Cases involving ABO incompatibility jaundice, anemia, or bilirubin-related injury are complicated. They often depend on medical records, bilirubin timing, lab results, discharge notes, nursing observations, and whether providers followed accepted guidelines for newborn jaundice.
Weisser Law will review the facts of your medical malpractice case and work with medical experts to determine what went wrong. We’ll answer your questions about whether delayed testing, delayed treatment, or poor follow-up may have caused preventable harm.
If malpractice played a role, parents may be able to pursue compensation for medical care, therapy, long-term support, and the child’s future needs.
Contact Weisser Law today to schedule your free, confidential consultation, where you won’t pay until we win your case.