Most babies spit up when they burp or when they are overfed. Sometimes infants spit up such a large amount of milk or food that parents wonder if their infant is spitting up or vomiting.

A child’s reasons for lying are often dependent on her age. CNN Health quotes Dr. Elizabeth Berger, author of “Raising Kids With Character,” as indicating that a 9-year-old most often fibs to escape negative consequences or an unpleasant situation.

Polycystic ovary syndrome, more commonly known as PCOS, can have a major impact on your fertility. If you have PCOS, which affects between 4 and 12 percent of women, according to a February 2004 "Clinical Medicine and Research" article, you may have a difficult time getting pregnant.

While breastfeeding shouldn't cause pain, tell that to a mother with cracked, bleeding or painful nipples. This condition is likely caused from adjusting to a new nursing baby or improper positioning, which are circumstances you can correct. But in the meantime, you need some relief from your sore nipples.

Your newborn may get gassy for a variety of reasons. She may swallow air while feeding, crying or sucking a pacifier; or get gas from milk or food sensitivity.

Edamame is a fancy name for soybeans, which are a pea-like member of vegetable family that can be eaten fresh or purchased frozen. Edamame packs a large nutritional punch and the vegetable is safe during pregnancy in most cases.

Ritalin is the name brand of methylphenidate, a medication used to control the impulsivity and hyperactivity associated with attention deficit hyperactivity disorder and to manage the symptoms of narcolepsy. Ritalin is a central nervous system stimulant drug.

As children grow, they progress from total dependence during their first years of life to a higher degree of independence in their teenage years, when they start feeling the need to create their own identity.

Spirulina is a blue-green algae that is sold as a supplement purported to have numerous health effects from boosting immune function to lowering cholesterol to helping prevent cancer. It is also sold as a general health booster that is high in protein, iron and other minerals.

Cluster feeding refers to a newborn's feeding pattern. Basically, many newborns will group their feedings together, putting little time between them. After several feedings, they'll take a longer break between feedings and then go back to cluster feeding.

Mirena is an intrauterine device, or IUD, produced by Bayer Pharmaceuticals. It is a soft plastic IUD that slowly releases a hormone called levonorgestrel into the uterus for up to five years.

Hunger and digestive discomfort are familiar sensations to most pregnant women, especially those in their last few months or weeks of pregnancy. Your growing baby puts increasing pressure on your stomach, making it difficult and uncomfortable to eat a full meal. There are a few ways to increase your comfort, however.