Hives, or urticaria, are uncomfortable skin symptoms that may occur during pregnancy. The condition may arise for reasons such as an allergic reaction to a food or medication, or as an immune-system phenomenon.

Appropriate eye contact plays an important role in nonverbal communication. In the United States, good eye contact demonstrates self-confidence, helps communicate emotion and lets someone know you are interested and paying attention to what he says.

Babies begin drooling at about 3 months of age, according to pediatrician Howard Bennett. Some babies drool a little bit; other babies seem to drool constantly.

Walking is an easy aerobic exercise that burns calories and helps keep the heart healthy. There are few drawbacks, but black toenail is a common problem. Regular walkers are most often afflicted with black toenail. If shoes do not fit right, the toes tend to bang around.

If the legs and feet of your toddler turn purple, contact your doctor. Skin color changes are typically indicative of a circulation problem. If the toddler is diagnosed with a heart or circulation disorder, medication is likely to be prescribed to prevent limited blood flow to the legs and feet.

Gum disease is thought to be a problem only adults face, but toddlers are just as susceptible to gingivitis if poor dental hygiene is practiced in the household. Most children have some degree of gingivitis, according to the American Academy of Peridontology.

As a parent, you try to create a bedtime routine that enables your toddler to transition easily and peacefully to sleep. But your child might have other ideas. Many toddlers, even those who could fall asleep easily as babies, have difficulty falling asleep at bedtime.

Most toddlers aren't particularly adventurous eaters, but some are adamant that they want to eat whatever Mom and Dad are eating. While most foods are safe for toddlers to sample, as long as there are no food allergy issues, hot sauce might be one you want to reconsider.

The collarbone, or clavicle, is the bone children break most often. Although a broken collarbone may signal child abuse or neglect, it's more commonly the result of a normal, rambunctious toddler's activities.

From bright red and scaly to mild pink and itchy, the specific appearance of the rash sprinkled across your toddler’s bottom is a key to its cause. Some of these rashes require a doctor’s attention, but you should be able to get rid of most of them with proper home care.

Arm flapping or hand flapping are classic autistic behaviors, but that doesn't mean your child has autism if she does this occasionally. Normal children may flap their hands or arms when they get excited.

If your toddler looks like he's been in a back-alley fight -- with swollen, puffy lips -- he may be experiencing an allergic reaction. Take allergic reactions that cause facial swelling seriously, because they can affect your child's breathing.