I did not mean to be insulting to asians with my answers, I with I could have put funny smileys as my answer was intended to be funny. I am sorry that you felt insulted!
Yes, I once tested negative at 12 dpo even though I was expecting twins (I later on miscarried them)! I waited until 17 dpo to re-test and this time it was positive.
Just learned yesterday that I belong to the blue team!
I would not trust the Chinese! I took the test yesterday and it told me a girl. Today I learned that I am expecting a boy....