A medical procedure in which stool containing “healthy” bacteria from a donor is transferred into a recipient’s gut. Fecal transplantation is widely used as a treatment for diarrhea caused by Clostridium difficile bacteria by restoring the proper balance of bacteria in the recipient’s gut. Fecal transplantation shows promise as a treatment for the behavioral symptoms associated with autism .
 Kang, Dae-Wook, et al. “Long-term benefit of Microbiota Transfer Therapy on autism symptoms and gut microbiota.” Scientific reports 9.1 (2019): 5821.