In which episode is Princess Zhu Huan pregnant?

Swallow and Yongqi have no chance to get married. Erkang and Wei Zi are 97 episodes. They put on their pajamas and started kissing. Erkang wants to turn on the buttons one by one. Wei Zi said, "I have a scar on my chest, which is very ugly. You are not allowed to look at it. Two people lay in bed and said a few words. Er Kang opened all the buttons and kissed the scar on his chest. There was a baby inside. Yongqi Xinrong was persuaded by Mammy Gui to let Yongqi drink medicinal liquor before going to bed. In the confusion of consciousness, Yongqi took Xinrong as a swallow and Xinrong accepted it.