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Baby Calendar (Girl or Boy?)

The data in this app is based on a graphic that was developed 700 years ago and discovered in a Beijing, Chine...

Free

Store review

The data in this app is based on a graphic that was developed 700 years ago and discovered in a Beijing, Chinese royal tomb. The original is now displayed at the Beijing Institute of Science.

Obviously, the scientific value of the test is low. There are rumors that this gender prediction is 90% accurate when used correctly. However, according to the 1999 survey, the accuracy rate is below 75%.

Last update

Feb. 22, 2021

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