Antibirth

Antibirth is a 2016 psychedelic body horror film written and directed by Danny Perez, produced by Cole Payne, David Anselmo, Rob Weston and Jeff Rice. It stars Natasha Lyonne, Chloë Sevigny, Meg Tilly, Mark Webber, Maxwell McCabe-Lokos and Emmanuel Kabongo. 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 was released in the United States on September 2, 2016, by IFC Midnight.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.