The Baby Maker (1970)
Tish Gray had a baby and gave it up for adoption. She is contacted by a second childless couple who want her to have the husband's baby because of the wife's inability to have children. She accepts but finds that knowing the parents, and developing a relationship with them for the entire pregnancy complicates the simple arrangement.
Directed by: James Bridges
Starring: Barbara Hershey, Collin Wilcox Paxton, Sam Groom, Scott Glenn, Jeannie Berlin, Lily Valenty
Links: IMDb, Movie posters, Movie stills