Nkansah C

ORCID: 0000-0001-6986-9976 · 1 paper in corpus

other 2025

Twin testosterone transfer hypothesis and the second-to-fourth digit ratio in females of same-sex and opposite-sex twin pairs: An exploratory study

Physiological reports ·doi:10.14814/phy2.70207

The twin testosterone transfer (TTT) hypothesis posits that females with male co-twins (opposite-sex, OS) might develop male-typical traits due to higher prenatal testosterone exposure. This study explored whether females of OS have lower 2…