[TOMT][MOVIE][2010s-2020s] Horror movie about pregnant woman with schizophrenia who escapes a cult? Google not helpful.

I've searched everything I can, and before anyone suggests its not a movie from the 1990s, here's what I can remember:

A woman (pregnant) is captured by a cult(?) where she gives birth and they take her baby away. I cannot exactly remember if she escapes or not but she then calls her uncle (or some close man) who talks about her being schizophrenic and she briefly doubts everything she saw but then goes back to rescue her maybe baby. I'm pretty sure they were cannibals as well so they planned to eat the baby.

I don't think it was ever implied they were a cult but it gave off those vibes. I think she was hidden underground as well.

Google gave these answers but these are NOT it: Hereditary, Unsane, False Positive, The uninvited, Children of the corn: Runaway, Never let go, Mother.

ETA: The part where she goes to save her "baby" is near the ending or is the ending after the phone call where she is revealed to have schizophrenia.