Arthur

Arthur is a series of books written and illustrated by Marc Brown. Volumes were released from 1976 to 2011. It later spawned a TV series that aired on PBS Kids from October 7, 1996 to February 22, 2022.

In the book, Arthur's baby (in which Arthur's baby sister, Kate, is born), Arthur's mother, Jane, is shown visibly pregnant. The book was later adapted into an episode of the same name.