The infant mortality rate in ancient times was so high. The emperor didn't have a son yet!
The disability rate of babies in ancient times was so high. The emperor didn't have a normal son yet!
Wise and correct queens and empresses, for the ultimate goal of becoming a queen mother and a queen mother, all sisters must work hard to give birth to a son who can inherit the throne for the emperor. I will help you sisters if I can reach the peak of my career as I wish.