Folkeskolens afgangsprøve: Ingen forskel mellem tvillinger og enkeltfødte - Sekundærpublikation

Translated title of the contribution: School performance - No difference between twins and singletons

Kaare Christensen, Inge Petersen, Axel Skytthe, Anne Maria Herskind, Matt McGue, Paul Bingley

Research output: Contribution to journalArticlepeer-review

Abstract

Studies of twins born 50+ years ago indicate that twins had a lower IQ than singletons. We carried out a register based study of all twins (N=3411) and a 5% random sample of singletons (N=7796) born in Denmark 1986-1988. We found no difference in school performance in adolescence between twins and singletons, nor when controlling for birth weight, gestational weight, age of parents or parents' education. Progress within living conditions, obstetrics, and paediatrics may be the reason why twins now generally have school performances similarly to singletons.

Translated title of the contributionSchool performance - No difference between twins and singletons
Original languageDanish
Pages (from-to)3202-3205
Number of pages4
JournalUgeskrift for Laeger
Volume169
Issue number38
StatePublished - Sep 17 2007

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