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Stress During Pregnancy Might Affect the Baby’s Sex

Curiosity Weekly

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The Effects of Stress on Pregnancy

Researchers used hair samples to measure cortisol, a stress hormone. It turns out that moms who eventually gave birth to girls had way more cortisol in their systems than moms who gave birth to boys. The research showed how this effect is related to speed, so scientists can accurately predict the resulting path. These findings will be critical to future space travel.

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