Health Library

Blood Circulation in the Fetus and Newborn

During pregnancy, the fetal lungs are not used for breathing - the placenta does the work of exchanging oxygen and carbon dioxide through the mother's circulation. With the first breaths of air the baby takes at birth, the fetal circulation changes.

Blood Tests and Your Child's Heart

Detailed information on blood tests used to diagnosis heart disease.

Blood Types in Pregnancy

A baby may have the blood type and Rh factor of either parent, or a combination of both parents.

Bone Marrow

Detailed information on bone marrow and bone marrow transplantation in children

Brain Abscess in Children

An abscess is a pocket of infection. In the brain, an abscess may be in one or more areas. This condition may cause problems with how the brain and spinal cord function. It is a serious and life-threatening condition that needs to be treated right away.

Branchial Cleft Abnormalities in Children

A branchial cleft abnormality is a cluster of abnormally formed tissue in the neck. A branchial cleft abnormality is a birth defect. It happens when the area doesn't form as it should during the early stages of an embryo’s development.

Breastfeeding and Delayed Milk Production

If your milk is delayed coming in, or you're not making enough milk, don't give up. Read on for some helpful tips.

Breastfeeding When Returning to Work

Helpful advice on how to maintain your milk production when going back to work.

Brown Recluse and Black Widow Spider Bites in Children

Most spiders in the U.S. are poisonous. The fangs of most spiders are too short or too fragile to break through human skin. Or their poison (venom) is too weak to cause damage. Most spider bites cause only minor, local reactions. But bites from the black widow and the brown recluse spiders can cause serious problems. Read on to learn more.

Burners and Stingers Syndrome in Children

Burners and stingers syndrome is a type of sports injury. It is a pain in the shoulder or neck that causes a burning or stinging feeling down an arm to the hand.

Burns Caused by Heat (Child)

Learn how to care for your child who has a burn caused by heat.

Campylobacter Infection in Children

Campylobacter infection is a mild to serious digestive illness. It is caused by bacteria. Symptoms often include cramping, diarrhea, belly pain, and fever.