A newborn's eyes are not fully developed, according to Lawrence M. Kaufman, M.D., Ph.D. at the University of Illinois Medical Center. The elements of the eyes develop in utero, but the nerve and internal structures continue to grow over the first two years of life.

Newborn’s bowel habits vary from baby to baby. However, painful bowel movements can affect any baby, disrupting her daily schedule and making feedings and diaper changes difficult.

The French delicacy cheese fondue involves dipping bread into a little cauldron of hot melted cheese. Most hard and pasteurized cheeses present no safety problems for pregnant women. However, cheese fondue sometimes contains cheeses not suitable during pregnancy.

A child's first birthday often marks the transition from formula to cow's milk and more solid foods. At this point, most babies already have a taste of mashed baby food and possibly table food.

Eggs are one of the most common sources of allergic reactions to food in children. Infants who are allergic to eggs usually experience symptoms soon after consuming eggs or foods that contain eggs. Common symptoms include hives around the mouth or on the body, swelling of the lips and face, and skin rash.

Your baby's first tooth likely won't make an appearance until his third or fourth month of life. Eruption of teeth before then is considered early teething. If your baby is not teething by the time he's 13 months, then he is experiencing late teething. In most cases, delayed teething is nothing to worry about.

When your baby turns 1 year old, you may wish to introduce him to cow’s milk. Whole milk is better than skim milk or 2 percent milk for babies this age. Although some parents introduce whole milk to their infant by itself, others prefer the gradual approach and mix the whole milk with breast milk or formula.

Spit-up is a common problem for many newborn babies. The lower esophageal sphincter is responsible for keeping stomach contents in the stomach and not back-flowing, also known as refluxing, into the esophagus. This sphincter is immature at birth and takes time to begin working properly.

By the time your child reaches 3 years old, he should be just about done with the behaviors that are characteristic of the “terrible 2s.” Two-year-old children generally are self-centered. They dislike sharing, interact poorly with other children and lack self-control, empathy and social skills.

If you've stopped breastfeeding but wish to start again, it can be a relief to know that relactation is possible. It isn't an easy process and could require a long time and a lot of work, but the joy of knowing that you are providing your baby with the healthiest food possible can make the extra effort well worth it.

Parents do everything to keep their kids healthy, but kids still get sick. If your toddler experiences a rash and diarrhea, he may have a medical condition, such as fifth disease or a milk allergy. Diarrhea can also be the cause of a toddler’s diaper rash.

Dehydration occurs when the body does not get all of the fluid that it needs to operate properly. According to the Babycenter website, babies and children are more susceptible to this condition. Your toddler can develop dehydration if he has a fever, sweats profusely, vomits or experiences chronic diarrhea.