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2nd to 4th digit ratios, fetal testosterone and estradiol

S. Lutchmaya, S. Baron-Cohen, P. Raggatt, R. Knickmeyer, J.T. Manning

Early Human Development, 2004. DOI 10.1016/j.earlhumdev.2003.12.002

Has this study been replicated?

The atlas records 1 replication of this study. Recorded outcomes: 1 failed.

Replications

• Digit ratio (2D:4D) and amniotic testosterone and estradiol: an attempted replication of Lutchmaya et al. (2004), Richards et al. (2021). Outcome recorded: failed. We therefore present the findings of another study of amniotic T and E that did not find evidence for these effects at 4½-year follow-up. View paper

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