Angel Twin Moms: A list for parents who have lost one or more of their multiples to get support.
Attachment Parenting Multiples: A list for parents who are interested in Attachment Parenting their twins, triplets, quads or more.
Double Blessings: An email list and message board for those with twins, triplets, quadruplets or higher order multiples. Message archives available to members.
Gay or Lesbian With Twins: A list for any gay or lesbian parents with twins, triplets or other multiples.
Got Twinz Support Forums: Offers support and entertainment for parents of multiples.
Identical Boys: A list for parents of identical boy twins to chat.
IVF Twins: A list for anyone who has gone through IVF (In-vitro Fertilization) and become pregnant with twins.
Mommies of Multiple Birth Babies: A place to talk about the good and bad about parenting multiples.
Mothers of Multiples: A list designed for women pregnant with twins, triplets or higher order multiples.
Mothers of Twins/Muliples: A place to get support for parents of twins and multiples.
Multiple Births: This group is designed for families who have multiples or are expecting multiples (twins, triplets and more).
Multiples Matter: A members-only discussion group providing fun and support for all families with multiples.
Multiples: Advice and Insight: Support, advice, and social forum at BabyCenter.com.
Names for Multiple Births: From BabyCenter - Get ideas and post up suggestions for names for multiples.
Pregnant With Twins: Started by a 15 year old pregnant with twins.
School Age Twins: A support group for parents who have school aged twin children.
Seeing Double, or Triple...Help!: Get advice and information from other parents of twins, triplets or even more kids.
Special Circumstances: Advice and information for those who expect, or have, multiples and have come across special circumstances, such as TTTS or disability.
Special Needs Twins: A list for anyone that has twins or multiples where one or more has special needs.
Teen Parents to Two Or More: If you're a teen parent of twins or higher multiples, join this list for support.
The Crazy Minds of Mommies: For those expecting and parenting twins. [Membership Approval Required]
Triplets E-Mail List: An active and long-running e-mail discussion group for parents of triplets or other higher order multiples.
Triplets Under 3: For families with triplets under the age of 3 to share information and chat.
Twin Mommies: A mailing list for anything and everything related to pregnancy, birth and raising twin children.
Twin Moms: A list for moms of twins or higher order multiples.
Twin Mothers: Join this list to meet other twin moms and share tips.
TwinShock Forums: Support and entertainment for twin parents.
TwinTalk~South Africa: Information, support, chat and advice for parents of multiples. Also contains extensive information on FMS (Fibromyalgia Syndrome).