"It seems like the human brain goes through this choreographed change across gestation and we were finally able to observe the change in real time," said lead author Emily Jacobs.
"This was an intense undertaking. We did 26 scans before," said Elizabeth Chrastil, reflecting on the comprehensive imaging throughout her pregnancy.
The dynamic reorganization in the mother's brain unfolded like clockwork over the course of the pregnancy, showing that matrescence is a new developmental stage.
Scientists are beginning to discover how hormonal changes during pregnancy overhaul the brain's anatomy and function, similar to changes seen during adolescence and menopause.
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