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A few days after your baby's birth, you might begin to wonder why her skin is looking a little, um, yellow? That sunny glow might not look normal, but it's actually quite common in newborn babies in the first week of life. Here's the deal on jaundice.
What is jaundice?
- Around 60 per cent of full-term babies (born after 38 weeks of pregnancy) exhibit signs of jaundice. It is even more likely in those who are born early (premature) or who are sick. Jaundice is caused by high levels of a chemical called bilirubin in your baby's body. Even before she is born, her body is busy making red blood cells, which then break down into smaller chemicals, including bilirubin (this happens continually throughout our lives).
- Before she's born, the bilirubin is carried out of your baby through the placenta (and into your own blood). Once she's with you in the world, however, her liver has to take over the job of getting rid of bilirubin. Often, however, her liver isn't completely up and running just yet, so the excess bilirubin is stored in the skin until her liver can break it down – usually within the first week. The result is that almost-orange hue to her skin.
- Jaundice first appears on the face and head. As bilirubin levels increase, it will show on the body and then on the palms of hands and soles of feet. If you think your baby is jaundiced (see more symptoms here), make sure she is checked by a GP or health care worker. A blood test is done to work out the level of bilirubin.
Should I be worried?
- If your baby has a moderate level of bilirubin, she may be sleepy and may not feed well. Encouraging her to breastfeed more often will often help to keep the bilirubin levels down.
- Doctors will watch your baby's bilirubin levels carefully because too much (an extremely high level) can damage parts of the brain, including those that affect hearing, vision and control of movement.
- The level of bilirubin that may be harmful depends on the baby's health and maturity. A large, full-term baby can have a higher level without problems than can a sick or premature baby. The majority of jaundice newborns will be completely fine sooner rather than later.
How is it treated?
- If your baby is well and mildly jaundiced, she will probably not need treatment. As the liver matures, it will be able to break up the bilirubin into other chemicals, which are then passed out through the gut.
- Phototherapy or light therapy may be used for babies whose bilirubin levels are increasing. The light energy helps to change the bilirubin into a different chemical, which is more easily excreted. Therapy is simply a matter of exposing the naked baby to light, in a warm, covered cot, with her eyes protected by shields. Your baby may need this therapy for several days.
- On rare occasions, the levels of bilirubin are so high that the baby may require exchange transfusion, where her blood is replaced with other blood, sometimes from her mother.
This article was written for Kidspot, Australia's leading pregnancy and parenting resource from sources including the Children, Youth and Women's Health Services
Last revised: Wednesday, 2 March 2011
This article contains general information only and is not intended to replace advice from a qualified health professional.
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