MMMoms is a chapter of the Southern California Mothers of Multiples, Inc (SCMOMC) and Multiples of American (formally the National Organization of Mothers of Twins, Inc.) Your membership to MMMoms will include membership in both these organizations.
Twiniversity (community, knowledge, humor)
Mothers of Super Twins (MOST)
Twins List (everything about twins/multiples)
Sidelines (High Risk Pregnancy Support)
Center for the Study of Multiple Birth
Twin Love Concierge
Lucie's List (survival guide for new parents)
Twin-to-Twin Transfusion Syndrome Foundation, Inc.