Fortress (1992)
Fortress is a 1992 science fiction film directed by Stuart Gordon and shot at Warner Brothers Movie World in Queensland, Australia. The story takes place in a dystopian future. The main character in the movie, John Henry Brennick (Christopher Lambert) and his wife Karen B. Brennick (Loryn Locklin) are sent to a maximum security prison because they are expecting a second child, which is against strict one-child policies. It was followed by a sequel, Fortress 2: Re-Entry in 1999.
More at Wikipedia.