I know that this is just for entertainment and its not accurate but how does the chinese gender chart work?

Is it the mothers age at time of conception? Mothers age at time of birth ???? Does anyone have a site i can go to ??? LOL

Related Information

• Conception: 10 Principles Of Success. « Stay Plugged to the Freshest Stuff
• Free Natal Chart Astrology for stars positions at your time of birth is here by freechart or natalchart or freenatalchart | Indian Public Holidays | Public Holidays in India
• Is the birth certificate of Obama that is shown on his blog faked?