我和老公怀孕大概一年半，但是一直没怀上。后来去医院检查，医生说我卵巢功能不太好，建议我们直接做一代试管婴儿在了解的过程中，我看到有人说可以把男性的X精子和Y精子分开，开发者_StackOverflow中文版达到选择男[详细]
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