Ancient Chinese Birth Gender Chart

This is an ancient Chinese Chart used to predict the sex of your unborn child. Guaranteed 99% accuracy. The Chart was buried in a tomb near Beijing for 700 years. The original is in the Institute of Science in Beijing. All you need is the month the child was conceived, and the age of the mother at the time of conception.
 
Cross reference age of mother at conception with month of conception
Jan Feb Mar April May June July Aug Sep Oct Nov Dec
18 f m f m m m m m m m m m
19 m f m f f m m f m m f f
20 f m f m m m m m m f m m
21 m f f f f f f f f f f f
22 f m m f m f f m f f f f
23 m m m f m m f f f m m f
24 m f f m m f m f m m f m
25 f m f m f m f m f m m m
26 m m m m m f m f f m f f
27 f f m m f m f f m f m m
28 m m m f f m f m f f m f
29 f m f f m f f m f m f f
30 m m f m f m m m m m m m
31 m m m m f f m f m f f f
32 m f f m f m m f m m f m
33 f m m f f m f m f m m f
34 m m f f m f m m f m f f
35 m f m f m f m f m m f m
36 m f m m m f m m f f f f
37 f f m f f f m f m m f m
38 m m f f m f f m f f m f
39 f f m f f f m f m m f m
40 m m m f m f m f m f f m
41 f f m f m m f f m f m f
42 m f f m m m m m f m f m
43 f m f f m m m f f f m m
44 m f f f m f m m f m f m
45 f m f m f f m f m f m f
Jan Feb Mar April May June July Aug Sep Oct Nov Dec