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The Neonatal Intensive Care Unit (NICU)

The birth of a baby is a wonderful yet very complex process. Many physical and emotional changes occur for mother and baby.

A baby must make many physical adjustments to life outside the mother's body. Leaving the uterus means that a baby can no longer depend on the mother's circulation and placenta for important physiologic functions. Before birth, breathing, eating, elimination of waste, and immunologic protection all came from the mother. When a baby enters the world, many body systems change dramatically from the way they functioned during fetal life:

Illustration demonstrating fetal circulation
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Your baby's body systems must work together in a new way. Sometimes, a baby has difficulty making the transition to the world. Being born prematurely, having a difficult delivery, or birth defects can make these changes more challenging. Fortunately for these babies, special newborn care is available.

What is the neonatal intensive care unit?

Newborn babies who need intensive medical attention are often admitted into a special area of the hospital called the Neonatal Intensive Care Unit (NICU). The NICU combines advanced technology and trained healthcare professionals to provide specialized care for the tiniest patients. NICUs may also have intermediate or continuing care areas for babies who are not as sick but do need specialized nursing care. Some hospitals do not have the personnel or a NICU and babies must be transferred to another hospital.

Picture of a hospital nursery

Although about 9 percent of all newborn babies require care in a NICU, giving birth to a sick or premature baby can be quite unexpected for any parent. Unfamiliar sights, sounds, and equipment in the NICU can be overwhelming. This information is provided to help you understand some of the problems of sick and premature babies. You will also find out about some of the procedures that may be needed for the care of your baby.

Which babies need special care?

Most babies admitted to the NICU are premature (born before 37 weeks of pregnancy), have low birthweight (less than 5.5 pounds), or have a medical condition that requires special care. In the US, nearly 12 percent of babies are born preterm, and many of these babies also have low birthweights. Twins, triplets, and other multiples often are admitted to the NICU, as they tend to be born earlier and smaller than single birth babies. Babies with medical conditions such as heart problems, infections, or birth defects are also cared for in the NICU.

The following are some factors that can place a baby at high risk and increase the chances of being admitted to the NICU. However, each baby must be evaluated individually to determine the need for admission. High-risk factors include the following:

Who will care for your baby in the NICU?

The following are some of the specially trained healthcare professionals who will be involved in the care of your baby:

The members of the NICU team work together with parents to develop a plan of care for high-risk newborns. Ask about the NICUs parent support groups and other programs designed to encourage parental involvement.

Click here to view the
Online Resources of High-Risk Newborn


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All Children's Hospital
501 6th Ave South
St. Petersburg, FL 33701
(727) 898-7451
(800) 456-4543

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