It's a Distorted Version of a Woman Scream uploaded In Freesound in 2011 [1]
BeachWare, XSCREAM (Known As the FNAF Jumpscare Sound)
It Comes from the movie Inseminoid (1981), Where Sandy is having a Baby Alien Birth
It's a High Pitched variant of Sound Ideas, HUMAN, SCREAM - SCREAM: FEMALE, HORROR 03