How to deal with the good or ill luck of the emperor when the concubines came to the moon in ancient times?

The ancient emperor had three thousand harem beauties, and he could choose different concubines to serve himself every day. But if the chosen concubine happens to come to the moon, how can she refuse the emperor? Rejecting the emperor directly will kill you. So how did the ancient concubines refuse the emperor's request for sexual intercourse?

Network mapping

"Three Extra Pencils" records that concubines and maids in the Han Dynasty often wear a gold ring on their hands when they have menstrual cramps or are pregnant, reminding the emperor not to share the same room during this period. Therefore, the gold ring, also known as "menstrual abstinence", is a warning sign. Whether the present wedding ring also has such a function remains to be further studied.

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"Book of the Tang Dynasty" records that the harem beauties must register and sort out their female history before entering the palace. The female history gives each maid-in-waiting two kinds of small rings, one is gold and the other is silver. If a maid-in-waiting is pregnant or during her menstrual period, she can't have sex. Needless to say, just put a gold ring on her left hand. As a "silent" signal, female history will not arrange her to sleep. Usually, ladies-in-waiting wear a silver ring on their right hand.

In ancient times, the sleeping procedures of concubines were very complicated. Every time they slept, they had to go through the records of eunuchs in charge of the sacred room. The concubines just had to tell them what to do.

Network mapping

During the Five Dynasties, because there were many small courthouses in various places, each family had its own rules, and maids made various marks when they came to menstruation. Some of them tied red ropes on their arms, some tied red ribbons around their waists, and ladies-in-waiting with status hung lanterns of different colors outside the bedroom door, all to remind the emperor not to run red lights.