真能瞎扯。精子一直在造，也不能存活很久，差不多總是新的。相比之下，卵子就那麽多，老女人生孩子不健康的幾率大。男人沒啥關係

來源: STEMkid 於 2025-01-29 08:27:06 [舊帖] [給我悄悄話] 本文已被閱讀：次

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