摘要：孩子出生后,黄先生和妻子将孩子交给爷爷奶奶看管,继续去外地打工了,大概每隔半年才能抽空回家探望一次孩子。孩子4岁时,黄先生发现和同龄的孩子相比,自己的孩子明显矮了一截,他说:"去年一年才长了两厘米,还不到同年
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