目前已经怀孕有三个多月了，我特别想知道宝宝是男是女，刚好前段时间去医院做了nt检查，报告单还在家里放着，听人说nt报告单上的颈项透明层看男孩女孩，所以我打算拿来研究研究，不过网上类似这样的说法实在太多了，[详细]
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