“Postpartum psychosis has been around for thousands of years, and yet it is not an official disease category in the DSM-5,” Veerle Bergink, the director of the Women’s Mental Health Program at Mount Sinai, told me. “There is no money for it, not for research, not for treatment. There are no guidelines. This is one of the most severe conditions in psychiatry, one that has huge impacts on the mother and potentially on the child, and there’s nothing.”