Health Library

First Trimester Screening

First trimester screening combines fetal ultrasound and blood tests for the mother. It’s done during the first trimester of pregnancy, during weeks 1 to 12 or 13. It can help find out the risk of the fetus having certain birth defects.

First-Degree Burn in Children

A burn is damage to tissues of the body caused by contact with things such as heat, radiation, or chemicals. A first-degree burn affects only the outer layer of skin (epidermis).

Flat or Inverted Nipples

Detailed information on breastfeeding and flat or inverted nipples.

Flea, Mite, or Chigger Bites in Children

Fleas, mites, and chiggers are different kinds of small insects. They are also parasites. This means they feed off the blood, skin, or both of animals and humans. These insects are more common in the warm weather. They bite skin and cause symptoms, such as bumps, redness, pain, or itching.

Flossing and Children

Flossing should be started when your child is about 2 to 3 years old, under the direction of your child's dentist. Read on for helpful tips, including step-by-step flossing directions.

Fluoride and Children

Fluoride helps prevent tooth decay, strengthens tooth enamel, and reduces the harmful effects of plaque.

Folliculitis, Furuncles, and Carbuncles in Children

Bacteria on the skin can cause an infection of one or more hair follicles. A hair follicle is the base or root of a hair.

Food Allergies in Children

A food allergy is when your child’s body has a bad immune reaction to a certain food. Learn more about food allergies.

For Parents: Important Decisions to Be Made in the Dying Process

Detailed information on important decisions to be made when a child is dying, including the right to refuse treatment, to die at home versus the hospital, advanced directives, do not resuscitate, autopsy, organ donation, palliative hospice care, and funeral arrangements.

For Parents: Signs That Your Child Is Being Bullied

Bullying is very common. About 1 in 5 children and teens ages 12 to 18 report that they were bullied over the last 12 months.

For Parents: What to Do if Your Child Is a Bully

Here’s what you can do as a parent to stop the bullying.

Foreign Bodies in the Ear, Nose, and Airway

Children usually place things in their ears because they are bored, curious, or copying other children. Some objects may cause no symptoms, but other objects, such as food and insects, may cause pain in the ear, redness, or drainage.