As part of normal physical development, your child may be able to hold her head up and begin to push up when lying on her tummy.
As part of normal communication development, your child may express her emotions and needs through crying.
Pediatric cancer patients may experience pain as a symptom of the disease or as a side effect of treatment. Learn how pain can be diagnosed in patients of different ages.
Treatment for a serious childhood disease may delay when children reach certain milestones. Learn more about early childhood development.
Diaper rash (diaper dermatitis or incontinence associated dermatitis) is a skin irritation caused by exposure to urine or feces.