开发者_StackOverflow社区 我今年28岁。前段时间去医院检查，发现怀孕了。现在怀孕三个月了，肚子却比常人大了很多。不知道是不是双胞胎。不知道双胞胎和单胎的血hcg值有什么区别？是一样的吗？有没有宝妈知道这个情[详细]
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