Introduction to the Pregnancy Chart for Male and Female The Qing Palace Chart for Male and Female Pregnancy is a method to determine the gender of the baby based on factors such as horoscopes, age, pregnancy time, etc. This unique prediction method has existed in China for thousands of years. Generally speaking, the gender of the baby can be obtained by searching in the table according to the year of the solar calendar and the month of pregnancy. Among the many traditional folk methods for predicting men and women, the uterine pregnancy chart is widely used because of its high accuracy.