婴儿各阶段发育参数参考VIP专享

目 录 0 -1 个月 ............................................................................................................................................ 2 2 个月 ............................................................................................................................................... 3 3 个月 ............................................................................................................................................... 4 4 个月 ............................................................................................................................................... 4 5 个月 ............................................................................................................................................... 5 6 个月 ............................................................................................................................................... 6 7 个月 ............................................................................................................................................... 6 8 个月 ............................................................................................................................................... 7 9 个月 ............................................................................................................................................... 8 1 0 个月.............................................................................................................................................. 8 1 1 个月.............................................................................................................................................. 9 1 2 个月.............................................................................................................................................. 9 1 3 个月.................................................................................................