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Hydrops Fetalis What is hydrops fetalis? Hydrops fetalis is severe swelling (edema) in an unborn baby or a newborn baby. It is a life-threatening problem. There are two types: immune and nonimmune. What causes hydrops fetalis? There are two types of hydrops fetalis. The type that

Hyperbilirubinemia in a Newborn What is hyperbilirubinemia in a newborn? Hyperbilirubinemia happens when there is too much bilirubin in your baby's blood. Bilirubin is made by the breakdown of red blood cells. It's hard for babies to get rid of bilirubin at first. It can build up

Meconium Aspiration What is meconium aspiration? Meconium aspiration is when a newborn breathes in a mixture of meconium and amniotic fluid. Amniotic fluid is the liquid that surrounds the baby in the womb. Meconium is the baby's first stool, or poop. It is sticky, thick, and

Neonatal Abstinence Syndrome What is neonatal abstinence syndrome? Neonatal abstinence syndrome (NAS) is a set of signs and symptoms that may occur after babies are exposed to medicines or other substances in the uterus before birth. Babies can then experience withdrawal after

Necrotizing Enterocolitis in the Newborn What is necrotizing enterocolitis in the newborn? Necrotizing enterocolitis (NEC) is a serious, life-threatening illness in newborns. It happens when tissue in the mucus lining of the intestines gets inflamed. This inflammation damages and

Microcephaly in Children What is microcephaly in children? Gender words are used here to talk about anatomy and health risk. Use this information in a way that works best for you and your doctor as you talk about your care. Microcephaly is a condition where a baby's head is much

Learning Disorders in Children What is a learning disorder in children? A learning disorder is when a child has trouble learning in certain school subjects. Your child may have problems with reading, math, or writing. Skills are below what's expected for the child's age, grade

Circumcision for Children What is circumcision for children? Circumcision is a surgery to remove the skin covering the end of the penis. This skin is called the foreskin. This surgery is most often done 1 or 2 days after a baby’s birth. Circumcision can also be done on older

Apnea of Prematurity What is apnea of prematurity? Apnea is a term that means breathing has stopped for more than 20 seconds. It can happen in full-term babies, but it's more common in premature babies. The more premature the baby, the greater the chances that apnea will occur

Craniosynostosis What is craniosynostosis? The skull is made up of 8 bones and joints where the bones of the skull meet (sutures). These sutures allow the skull to grow as an infant grows and develops. Over time, the sutures close and the bones fuse together. This forms the skull