Digit ratio (2D:4D) and maternal testosterone-to-estradiol ratio measured in early pregnancy
Abstract The ratio of index to ring finger (2D:4D) has been hypothesised to indicate prenatal androgen exposure, yet evidence for its validity is lacking. We report the first pre-registered study to investigate mothers’ early pregnancy sex hormone concentrations in relation to their children’s digit...
Main Authors: | , , , , , , , |
---|---|
Format: | Article |
Language: | English |
Published: |
Nature Portfolio
2022-08-01
|
Series: | Scientific Reports |
Online Access: | https://doi.org/10.1038/s41598-022-17247-3 |