目前怀孕4个月左右。昨天刚在医院做完产检。听别人说可以根据孕期bpd和股骨长度(fl)的数值来判开发者_如何学运维断宝宝性别。如果bpd减去fl的值大于2,就会生男孩,而如果BPD减去FL的值小于2,就会生女孩。请问各位[详细]
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