Polycythemia occurs when a baby's blood has more red cells than normal. It's the opposite of anemia, which is caused by too few red cells.

Omphalocele and gastroschisis are types of birth defects. They can occur in newborns. They happen when the body structures that are meant to hold the bowel (intestines) inside the belly (abdomen) do not form in the right way during the early weeks of pregnancy.

When cerebrospinal fluid backs up into the brain, it's called hydrocephalus. Learn about the procedures used to treat this condition in newborns.

IVH is a serious condition caused by bleeding (hemorrhage) in the ventricles in the days after birth

NEC is a serious health problem that occurs when part of a newborn baby's bowel (intestine) becomes damaged. Learn more about this condition, including diagnosis, causes, and treatment.

Bronchopulmonary dysplasia (BPD) is a lung disorder that causes breathing problems in preterm, low-birthweight babies who need breathing assistance. Read on to learn more.

Babies who are born too early (premature) often have health problems, such as apnea. Learn more about apnea in premature babies.

Your preemie's immune system needs time to develop. During this time, germs that don't make you sick at all could make the baby very sick. So you need to give your baby extra protection.

It can be frustrating when your baby won’t stop crying. But no matter how fed up, tired, or upset you are, you should never shake, hit, throw, or drop your baby. This can lead to major brain damage or even death.

Learn about air leaks in a newborn baby, including causes, types, treatment, and long-term effects.