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Study Reveals Key Sex Differences in Infant Brain Growth

2/9/2026

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Summary

Story summary

A study in Scientific Reports presents a model of brain development from mid-pregnancy to infancy, showing tissue growth patterns and sex-based differences.
University of Cambridge researchers analyzed 798 MRI scans from 699 individuals, including 263 fetuses and 535 newborns.
The authors note sex differences emerge.
They call for further research to understand mechanisms, including hormonal influences and links to autism.

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Story summary

A study in Scientific Reports presents a model of brain development from mid-pregnancy to infancy, showing tissue growth patterns and sex-based differences.
University of Cambridge researchers analyzed 798 MRI scans from 699 individuals, including 263 fetuses and 535 newborns.
The authors note sex differences emerge.
They call for further research to understand mechanisms, including hormonal influences and links to autism.