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三个月宝宝抬头多少度正常

更新时间: 2020-11-04 00:00:00     

1个月的婴儿,俯卧时头只能稍稍抬起一下,很快又下垂,扶坐时头低垂。

2~3个月时,婴儿俯卧时头开始能抬起来,与床面呈45度角,扶坐时头能一晃一晃竖一下。

3个多月的婴儿俯卧时能抬头达90度角,抬头较稳,扶坐头向前倾,但头竖得稳。

关键词: 宝宝 抬头 多少 正常

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