BMJ 2006;333 (25 November), doi:10.1136/bmj.333.7578.0-a
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Does birth weight affect school performance in twins?
Ninth grade test scores did not differ between twins and singletons despite twins being on average 908 g lighter at birth say Christensen and colleagues (doi: 10.1136/bmj.38959.650903.7C) in their follow-up study of a Danish birth cohort. The authors examined the school performance of 3411 adolescent twins and 7796 randomly selected singletons and found that birth weight had a minimal impact on school performance when other factors were controlled for. Birth weight was positively associated with test score in both twins and singletons, but the effect was small.
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- Comparison of academic performance of twins and singletons in adolescence: follow-up study
- Kaare Christensen, Inge Petersen, Axel Skytthe, Anne Maria Herskind, Matt McGue, and Paul Bingley
BMJ 2006 333: 1095.[Abstract] [Full Text] [PDF]
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