天气预报 > 其他 > 小婴儿多少天能竖住头
小婴儿多少天能竖住头
更新时间: 2020-11-05 00:00:00  

1个月的婴儿只能稍稍抬头片刻,3个月时头才能初步直立。由于颈部和背部肌肉发育还不完善,1~3个月的婴儿不能较长时间支撑头的重量。因此,抱1~3个月的婴儿的姿势是很讲究的,关键是要托住婴儿的头部。

关键词: 婴儿 多少

小婴儿多少天能竖住头相关经验

天气预报

最新推荐

页面:/news/view-3279183/ | 耗时:0.1300 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=3279183 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3279183 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3279183 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1132857,1062038,1085687,1109763,1130991,1584902,1105571,1115263,1083425,1113069,1128051,1128667,1087115,412827,1080793,1104811,1109565,1087711,3188361,1045805,1089812,1368892,1064905,1096256,1132545,1132559,1089070,1110195,1072192,1131269) ORDER BY field (ArticleID,1132857,1062038,1085687,1109763,1130991,1584902,1105571,1115263,1083425,1113069,1128051,1128667,1087115,412827,1080793,1104811,1109565,1087711,3188361,1045805,1089812,1368892,1064905,1096256,1132545,1132559,1089070,1110195,1072192,1131269)