女性更年期的原因 – 第 1 层
30-04-2025 07:00
更年期是指女性停止生育。
有些动物，如虎鲸，也会停止生育。大多数动物会一直生孩子，直到死亡。但人类和虎鲸停止生育的时间更早。科学家认为这是因为人类寿命更长。但虎鲸并非如此。另一种观点认为，年龄越大，生孩子越危险。但这并不是主要原因。
最好的想法是 ‘祖母假说‘。这种观点认为，老年妇女通过照顾孙辈来帮助家庭。这对家庭有帮助，比多生孩子要好。
您可以在第 3 层次部分观看原始视频。
祖母假说如何解释为什么停止生育比多生孩子更有益？
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