20 15 is it accurate to have boys and girls in the Qing palace?

The legend of boys and girls born in Qing Dynasty was invented by a scientist in China.

Chronology of Palace Map in Qing Dynasty is a set of methods for predicting fertility summarized by imperial doctors in Qing Dynasty according to their experience. This is considered a mystery. At that time, it was dedicated to emperors, princes and empresses of the Qing Dynasty, and the effect was very good. It is based on the deduction of yin and yang, five elements and eight diagrams, plus the calculation of time. At the same time, he painted a portrait of a boy and a girl and buried it under a 700-year-old imperial tomb. Spread to the people after the Republic of China.

There are many folk remedies for predicting boys and girls, such as "pH value", but the most popular one is Qing Gong Biao. Some online forums are rumored that the prediction of "Qing Gong Biao" is very accurate and is used by many people to choose gender pregnancy. In real life, some people who are going to have children keep going to the hospital to consult and verify the truth of this matter.