Persistent pulmonary hypertension (PPHN) happens in newborn babies. It occurs when a newborn’s circulation continues to flow as it did while in the uterus. When this happens, too much blood flow bypasses the baby’s lungs. This is sometimes called persistent fetal circulation.

Separation anxiety usually begins around 6 months of age. Babies may suddenly be afraid of familiar people, such as babysitters or grandparents.

Read on for helpful tips to encourage play for your child.

Read on to learn more about toilet training, from signs your child is ready to helpful tips for potty training success.

Time-out is a type of discipline that is used to stop bad behavior in a child. It takes the child out of the situation and gives them time to calm down.

Most 3-year-olds have lost the rounded tummy of a toddler. Your child can use a spoon well and can wash and dry their hands.

Temper tantrums are a normal part of childhood development. They often happen only with a parent. They are a way for the child to communicate their feelings. Read on to learn more.

A night terror is a partial waking from sleep with behaviors such as screaming, kicking, panic, sleep walking, thrashing, or mumbling.

Read on for helpful tips to create healthy sleep habits for your child.

Each child is different, but most children need to be given clear rules about behavior. Read on for some discipline tips by age group.