It said girl for this pregnancy - am expecting a boy- and said boy for my last pregnancy she was a girl!
This one has been right every single time for me - even 2 babies that I miscarried so 6 times in total:
http://www.ivillage.co.uk/tool/chinese-gender-chart
Who knows, for every woman that it is right for it must be wrong for another, but i was totally obsessed with this chart controlling my destiny for the longest time lol! Think my GD sent me totally off track for a while :)