Health Library

Biophysical Profile

A biophysical profile is a test that is sometimes used during the third trimester of pregnancy. It is often done if there is a question about the baby’s health. This may be because of other test results or certain pregnancy symptoms, or because your pregnancy is high risk.

Bipolar Disorder in Teens

Bipolar disorder is a type of depression. A teen with bipolar disorder often has extreme mood swings. These mood swings go beyond the day's normal ups and downs.

Birth Defects in Children

A birth defect is a health problem or abnormal physical change that is present when a baby is born. Birth defects can be very mild, where the baby looks and acts like any other baby. Or birth defects can be more severe. Read on to learn more.

Birth Defects in Newborn Babies

Birth defects may be caused by inherited (genetic) problems or by environmental things, such as exposure to certain toxic substances during pregnancy. Some birth defects can be linked to a direct cause. Other reasons are not as clear.

Birth Defects Index

Detailed information on birth defects, including their cause and frequency

Birth Injury

Detailed information on birth injury, including the most common types.

Birthmarks

Detailed information on birthmarks and the different types, including vascular birthmarks, hemangiomas, and port-wine stains.

Bites

Detailed information on bites, including human bites, animal bites, and insect bites

Bites and Stings

Detailed information on insect bites, including bee stings, flea bites, mite bites, chigger bites, spider bites, tick bites, and lyme disease

Biting

Young children may bite others out of frustration or stress, or because they feel powerless. Infants and toddlers often bite as a way of exploring their world.

Black Eye (Ecchymosis)

A black eye should be seen by a healthcare provider to make sure no injury has happened to the eye itself. Most black eyes heal completely and don't cause any damage.

Bleeding Disorders

Detailed information on bleeding disorders, including Hemophilia and Idiopathic Thrombocytopenia Purpura