Chinese gender prediction chart: ancient astrological tool for predicting baby's gender based on mother's age and month of conception.

Legend claims the chart was created by Ming dynasty's emperor and discovered in a royal tomb.

Chart utilizes lunar calendar with 12 months representing Chinese zodiac animals (Rat, Ox, Tiger, etc.).

Belief suggests gender prediction based on mother's age and zodiac animal corresponding to conception month.

Lunar calendar's 12-month cycle aligns with Chinese zodiac's animals.

Mother's age and zodiac animal month association is used in determining baby's gender.

It's a traditional method used in Chinese culture for gender prediction.

Chart's origins traced back to ancient times, adding historical significance.

Astrological aspect adds mystique to the gender prediction process.