I'm not sure if there are specific movies or books directly based on this particular 'Switched Before Birth' true story. There are many stories about baby - switching in general in the media, but it's hard to say without more information about this specific one.
There might be movies or books that touch on the theme of babies being switched at birth, which could be somewhat related to the 'Switched Before Birth' true story. However, without knowing the exact details of this true story, it's difficult to point out any particular works. Some movies and books explore similar themes of identity confusion and family drama that could be inspired by real - life cases like this.