听起来好可怕哦- 用儿子的话说。

立即去补课：

Factors such as infection or fever during pregnancy, premature birth, vitamin A, C or D deficiency, hereditary disorders and some medications taken during tooth formation can affect both baby and permanent teeth. Environmental factors include trauma to the teeth, fluorosis, and exposure to toxic chemicals at a young age.

看来孕妇要注意不要感冒发烧啊。

所有跟帖： 

• 我没生病啊，活蹦乱跳的，八个月不让上飞机了还坐火车出差呢！也每天都吃孕妇维生素。这真是件没道理的事。我只能怪自己孩子生晚了。也没 -丁丁在枫叶国- ♀ (0 bytes) () 04/27/2016 postreply 08:18:00

• 我的理解是，baby teeth形成是非常sensitive的一个阶段，N多因素会影响牙齿发育 -sevenlyn- ♀ (263 bytes) () 04/27/2016 postreply 19:22:00