Dr José says there are many reasons your baby might be sucking on their hand, here are just a few below.

You may worry about changes in fetal movement. If it seems like the frequency of your baby's kicks is decreasing or increasing, here's what to know.

If they won’t let go, gently move their wrists back to encourage them to open their hand. Don't force it, though. Use a simple command like, “Give me your ______,” and soon your baby will ...

A baby’s body may shake or shiver, and these movements might extend to the head. Doctors do not know what causes these attacks, but they are usually harmless.

We explored brain representation of active and passive hand movements in school-age children and young adults. Nine healthy children (7–15 y) and six adults were studied.