A food allergy means your child's immune system is hypersensitive to a protein in a specific food. If your baby is allergic to bananas, his body will attack the food when it comes in contact with his digestive system, sending white blood cells to defend the body and kill the allergen.

Children reach many different milestones in the first couple years of life, with one of the most memorable being the ability to walk. Most children gain the ability to walk independently between the ages of 11 and 15 months. If your child is not walking by 18 months, his progress is considered delayed.

Mucus lines the inside of the nasal passages, preventing germs and infection from entering your baby's nose. But when your infant is sick, a build-up of mucus in her nasal passages might make breathing and sleeping uncomfortable.

Chlamydia, among the most common sexually transmitted diseases, affects an estimated 100,000 pregnant women each year, according to the Centers for Disease Control and Prevention. This disease not only poses substantial risks to women but also to their babies during delivery.

The condition amblyopia, more commonly known as lazy eye, causes vision problems in around 2 percent of all infants. Lazy eye occurs when one eye struggles to see properly. Over time, an infant will favor the other eye, further weakening the problem eye.

Almost all women experience stress at some point during pregnancy. Mood swings and emotional disturbances are a completely normal reaction to the physical, emotional and lifestyle changes associated with pregnancy.

When you are taking baby's temperature, you want to do it right. Taking an axillary temperature -- under the armpit -- is more time-consuming and often less accurate than taking a rectal temperature. For very young babies, the rectal method may be preferred for accuracy.

Preparing breast milk ahead of time by bottling it is an easy way to feed your baby when breast feeding is not convenient. Cold breast milk, however, is sometimes less preferable and tolerable to babies. Quickly warming up breast milk is possible, even when you are on the go.

Fever is an indication that the body is fighting. The cause of fevers vary, but, in an infant, a rising temperature can be significant. For this reason, it is essential that a parent know how to provide home care for a baby running a temperature. Taking steps to reduce the fever can prevent febrile convulsions.

Feces in infants comes in different colors and consistencies. Formula-fed babies commonly produce bowel movements that are yellow, tan or brown, whereas breast-fed babies typically produce mustard-yellow bowel movements.

Most cases of hives in babies are mild and go away on their own, so treatment generally centers around making the child more comfortable. Urticaria, or hives, produces multiple mosquito bite-like bumps that itch and swell, usually as a result of exposure to an allergen.

During the first few days after delivery, infants don’t produce smelly bowel movements. The odorless, greenish-black material you first find in your newborn’s diaper is called meconium, and it started forming in her bowels at 16 weeks of gestation. Once babies process this waste, regular bowel movements start to occur.