Americas ICOMBO members Canada Multiple Births Canada (MBC) United States of America Multiples of America (MOA) The Center for the Study of Multiple Birth Centre for Loss in Multiple Births
Asia Pacific ICOMBO members Australia Australian Multiple Birth Association (AMBA) Multinet Japan Japanese Association of Twin Mothers (JATM) Japanese Multiple Birth Association (JAMBA) New Zealand Multiples NZ
Europe, Middle East and Africa ICOMBO members Czech Republic Twins and Multiple Birth Clubs Denmark Nordic Twinnet Finland Finnish Multiple Births Association (FMBA) France Federation Jumeaux-et-Plus Germany ABC Club Netherlands Twinspiratie Norway Norway Twin Parents Club Sweden Swedish Twin Society United Kingdom Multiple Births Foundation Twins and Multiple Births Association (TAMBA)