Baby Boom (film)

Baby Boom is a 1987 romantic comedy film directed by Charles Shyer, written by Nancy Meyers and Shyer, and produced by Meyers and Bruce A. Block for United Artists. It stars Diane Keaton as a yuppie who discovers that a long-lost cousin has died, leaving her a six-month-old baby girl as inheritance.

Question: is the movie baby boom based on a true story
Answer: no