Reports

Prenatal exposure to synthetic progestins increases potential for aggression in humans

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Science  13 Mar 1981:
Vol. 211, Issue 4487, pp. 1171-1173
DOI: 10.1126/science.7466388

Abstract

Seventeen females and eight males exposed during gestation to synthetic progestins showed a significantly higher potential for physical aggression than their sex-matched unexposed siblings. Exposure to androgen-based compounds appeared to be most closely associated with aggressive responses. There were no differences in verbal aggression or IQ between exposed and unexposed siblings.