Some brilliant organisations (UK- but the research and facts are the same. I just wish the support was if you’re US based):
Action on PostPartum Psychosis
www.app-network.org
Maternal OCD
maternalocd.org
Birthrights
birthrights.org.uk
app-network.org
Action on Postpartum Psychosis | The national charity for mums and families affected by postpartum psychosis