Some brain regions shrink in pregnancy and regrow after the birth
Brain scans of 110 first-time mothers during and after pregnancy showed that some brain regions become thinner during pregnancy and that giving birth largely reverses this effect
![Some brain regions shrink in pregnancy and regrow after the birth](https://images.newscientist.com/wp-content/uploads/2024/01/12133418/SEI_186893228.jpg)
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