The second trimester is a period of neurogenesis and neuronal migration, which may be affected by exposure to anesthetics. Studies have suggested that multiple anesthetic exposures may have a significant impact on neuronal migration.

中文翻译：

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怀孕期间多次接触七氟醚通过上调前列腺素 D2 合酶抑制神经元迁移

孕中期是神经发生和神经元迁移的时期，这可能会受到麻醉剂的影响。研究表明，多次麻醉暴露可能对神经元迁移产生重大影响。