Postpartum Support International (PSI) PSI is a non-profit organization whose mission is to eradicate the ignorance related to pregnancy related mood disorders and to advocate, educate, and provide support for maternal mental health in every community, worldwide. This site also includes a hotline and links to local resources.
CDC’s page on pregnancy and depression. This site shares information about depression during pregnancy.
The American Pregnancy Association (APA) site on miscarriage. APA is a national health organization committed to promoting reproductive and pregnancy wellness. This is another great resource for general pregnancy information.