A baby with light hair, perhaps pondering why kids suck their thumb, sits on an adult's lap in a dark blue outfit, sucking on their finger. The adult in a pink knit sweater enjoys coffee while checking their smartwatch at the table beside them.
Family and Parenting Tips

Why Do Kids Suck Their Thumb? Understanding the Habit

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Babies and toddlers have a natural tendency to suck their thumb, and it usually begins in the womb. While many parents are concerned about this habit, it is actually quite common and normal. In fact, it is estimated that up to 75% of newborns will suck their thumb or fingers at some point. But why do kids suck their thumb? Is it harmful? How can you help break the habit? We’ll answer the question of why kids suck their thumb and more in this blog post.