it could be impossible to know for sure if a womans had a miscarriage, if she's never knowingly been pregnant. could be a hard thing to study. So women wo didnt actually become mothers were used in this one? it's confusing!
RE: Pregnancy Brain: Pregnancy May Lead To Long Lasting Changes in Brain Structure
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Pregnancy Brain: Pregnancy May Lead To Long Lasting Changes in Brain Structure
Yes they used the first trimester as cut off. You can't really have a miscarriage after that without knowing is perhaps the reasoning.
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