Hetty van de Rijt

Hetty Van De Rijt is the author of "The Wonder Weeks," a popular parenting book that focuses on infant development.

While specific biographical information is limited in the given content, Van De Rijt's work has garnered significant attention in the parenting community.

The book, co-authored with Frans Plooij, is based on research into predictable periods of infant development.

Despite its popularity, the scientific validity of their findings has been questioned by some academics.

Van De Rijt's approach emphasizes understanding and responding to babies' developmental leaps, aiming to provide parents with insights into their infants' behavior and cognitive growth during the first 20 months of life.