You may think that it's an interesting coincidence, but the Chinese calendar for predicting a baby's sex actually worked for me. When I was pregnant with my daughter , I found this calendar online and for fun, decided to play around with it. I tried different dates with people that I already knew and entered their birth dates. Each of the predictions turned out to be true. How accurate is it? While there may no scientific basis for this calendar's accuracy, I would say it gives a pretty good guess! Enjoy. Chinese Fortune Calendar