As early as they can read.

I took mine to the museum of health and medicine, and taught him human physiology of reproduction and antomy at kidergarten age, haha.  At the same time, taught him self protection from possible sexual offenders.

所有跟帖： 

• 这个真是因家长而异，因孩子而异。。。 -桃子苹果- ♀ (110 bytes) () 10/02/2018 postreply 07:56:38

• It's easier to teach the science before they get really --worldance-- ♀ (232 bytes) () 10/02/2018 postreply 08:09:30

• 很多家长愿意这些基础知识是自己告诉孩子的，而不是孩子们从其他渠道得到的， -桃子苹果- ♀ (150 bytes) () 10/02/2018 postreply 08:31:05