What is "antibirth"

a. Opposing childbirth.

Antibirth is a 2016 American-Canadian independent body horror film written and directed by Danny Perez, and starring Natasha Lyonne, Chloë Sevigny, Meg Tilly, and Mark Webber. The film follows a drug-addled woman in a remote Michigan town who becomes pregnant after taking a strange drug. The film premiered at the Sundance Film Festival in January 2016. The film is scheduled to be released on September 2, 2016, by IFC Midnight.