Angel Twin Moms
   A list for parents who have lost one or more of their multiples to get support.
   http://groups.yahoo.com/group/angeltwinmoms

Attachment Parenting Multiples
   A list for parents who are interested in Attachment Parenting their twins, triplets, quads or more.
   http://groups.yahoo.com/group/apmultiples/

Double Blessings
   An email list and message board for those with twins, triplets, quadruplets or higher order multiples. Message archives available to members.
   http://groups.yahoo.com/group/DoubleBlessings/

Gay or Lesbian With Twins
   A list for any gay or lesbian parents with twins, triplets or other multiples.
   http://groups.yahoo.com/group/Gay-Lesbianwithtwins

Got Twinz Support Forums
   Offers support and entertainment for parents of multiples.
   http://www.gottwinz.net

IVF Twins
   A list for anyone who has gone through IVF (In-vitro Fertilization) and become pregnant with twins.
   http://groups.yahoo.com/group/IVFTwinPg

Identical Boys
   A list for parents of identical boy twins to chat.
   http://groups.yahoo.com/group/IdenticalBoys/

Mommies of Multiple Birth Babies
   A place to talk about the good and bad about parenting multiples.
   http://groups.yahoo.com/group/mommiesofmultiplebirthbabies

Mothers of Multiples
   A list designed for women pregnant with twins, triplets or higher order multiples.
   http://groups.yahoo.com/group/mothersofmultiples

Multiple Births
   This group is designed for families who have multiples or are expecting multiples (twins, triplets and more).
   http://groups.yahoo.com/group/multiplebirths/

Multiples: Advice and Insight
   Support, advice, and social forum at BabyCenter.com.
   http://boards.babycenter.com/n/pfx/forum.aspx?webtag=bcus6707

Names for Multiple Births
   From BabyCenter - Get ideas and post up suggestions for names for multiples.
   http://boards.babycenter.com/n/pfx/forum.aspx?webtag=bcus2198

Pregnant With Twins
   Started by a 15 year old pregnant with twins.
   http://groups.yahoo.com/group/Pregnant_With_Twins

School Age Twins
   A support group for parents who have school aged twin children.
   http://groups.yahoo.com/group/School-AgeTwins/

Seeing Double, or Triple...Help!
   Get advice and information from other parents of twins, triplets or even more kids.
   http://boards.babycenter.com/n/pfx/forum.aspx?webtag=bcus6708

Special Circumstances
   Advice and information for those who expect, or have, multiples and have come across special circumstances, such as TTTS or disability.
   http://boards.babycenter.com/n/pfx/forum.aspx?webtag=bcus6706

Special Needs Twins
   A list for anyone that has twins or multiples where one or more has special needs.
   http://groups.yahoo.com/group/specpar/

Teen Parents to Two Or More
   If you're a teen parent of twins or higher multiples, join this list for support.
   http://groups.yahoo.com/group/teenparentx2ormore/

Triplets Under 3
   For families with triplets under the age of 3 to share information and chat.
   http://groups.yahoo.com/group/tripletsunder3/

Twin Mommies
   A mailing list for anything and everything related to pregnancy, birth and raising twin children.
   http://groups.yahoo.com/group/twinmommies/

Twin Moms
   A list for moms of twins or higher order multiples.
   http://groups.yahoo.com/group/twinmoms/

Twin Mothers
   Join this list to meet other twin moms and share tips.
   http://groups.yahoo.com/group/TwinMothers/

TwinShock Forums
   Support and entertainment for twin parents.
   http://www.twinshock.net/forums/index.php

TwinTalk~South Africa
   Information, support, chat and advice for parents of multiples. Also contains extensive information on FMS (Fibromyalgia Syndrome).
   http://myweb.absamail.co.za/jacqui_t/