Other Interesting Sites

The Twins Foundation

It serves twins, their families, the media, medical and social scientists and the general public through its publications, its national Twin Registry and its multi-media resource center.

Mid-Atlantic Twin Registry

Twins and their families were identified for the registry by using publicly available birth records, public driver’s license information, and through public and private school records. This information was made available only for the purpose of medical research.


National Organization of Mothers of Twins Clubs

The National Organization of Mothers of Twins Clubs, Inc. (NOMOTC) was founded in 1960 for the purpose of promoting the special aspects of child development which relate specifically to multiple birth children.

Twins Magazine

Twins Magazine is the only international publication dedicated to parents of multiples and their unique parenting needs. It provides practical parenting advice, informative features, touching personal accounts, the latest research findings and developmental data specific to multiples aged birth to 6.

Center for the Study of Multiple Births

CSMB distributes information world-wide at gatherings of twins and multiples organizations, through print and electronic media, often addressing lay audiences, and students working on school projects.

The MIT Twins Study

The MIT Twins Study is a long-term study of language development in twins, headed by graduate student Jennifer Ganger and advised by Professors Steven Pinker and Kenneth Wexler. The goal of the project is to compare language learning in identical and fraternal twins to determine which aspects of language and language learning have a heritable basis.

The Netherlands Twin Registry (currently no available link)

NTR is presently investigating the contribution of genetic and environmental influences on brain development, intelligence, problem behavior in children, attention problems in children, hand preference, health related behavior (smoking, drinking and sports participation), personality, twin-epidemiology and aging. Furthermore, research on risk of coronary heart disease, asthma and twin-research methodology is being done.

National Twin Registry of Sri Lanka

To initiate the process of establishing a nation-wide twin registry by starting as a volunteer register and working towards a population based register, to compliment and supplement current teaching and research activities undertaken in Sri Lanka, in the field of Social, Genetic and developmental research.

International Society for Twin Studies

ISTS is an international, nonpolitical, nonprofit, multidisciplinary scientific organization. Its purpose is to further research and public education in all fields related to twins and twin studies, for the mutual benefit of twins and their families and of scientific research in general.

The Finnish Twin Cohort Study

The aim of the project is to study the environmental and genetic factors in selected common chronic diseases; especially cardiovascular diseases, common malignant tumors, and chronic obstructive lung diseases.

Twin Things

A fun site created by a pair of twins with lots of information about twins in history, myth and folklore.

St. Thomas’ Twin Study

The Twin Research Unit at St Thomas’ Hospital was established in 1992 under the directorship of Dr Tim Spector to examine genetic and environmental influences into the occurrence of osteoporosis and osteoarthritis in post-menopausal women.