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Direct linkLemiere, Jurgen; Boets, Bart; Danckaerts, Marina – Developmental Medicine & Child Neurology, 2010
Aim: It has been suggested that high levels of prenatal testosterone exposure are implied in the aetiology of attention-deficit-hyperactivity disorder (ADHD). This study examined the association between the ratio of the length of the second and fourth digits (2D:4D ratio), a marker of fetal testosterone exposure, and the presence of ADHD-related…
Descriptors: Attention Deficit Hyperactivity Disorder, Children, Prenatal Influences, Etiology
