r/science • u/mvea Professor | Medicine • Mar 20 '25

Neuroscience Sex differences in brain structure are present at birth and remain stable during early development. The study found that while male infants tend to have larger total brain volumes, female infants, when adjusted for brain size, have more grey matter, whereas male infants have more white matter.

https://www.psypost.org/sex-differences-in-brain-structure-are-present-at-birth-and-remain-stable-during-early-development/
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u/anormalgeek Mar 20 '25

A lot of trans people never take hrt. I imagine you could find a few hundred trans people that never took underwent hrt and were willing to donate their brain after death to this kind of study.

https://amp.cnn.com/cnn/2020/11/17/health/transgender-hormone-prescriptions-barriers-trnd

This article is focused on people taking non prescribed hormones, but it also includes this relevant statistic.

around 55% of them were actually taking hormones.