Poisonous Concubine: the Princess Runs with the Ball

A genius pharmacist of the 21st century died suddenly due to overwork while developing a certain poison formula. The concubine who traveled through time to Prince Ling's Mansion was still pregnant. God knows, she, a person who has never even been in love, unexpectedly became pregnant with a child all of a sudden. How she thought and how shocked she was! But before she could think about it, she realized that not only was she a child, but she was also poisonous. When she began to investigate how the poison came from, she found that there was a lot of mystery. Why did her biological mother treat her like a fool? Why, as her biological mother, would she poison her so that she wouldn't survive more than three months? What's the inside story behind all of this?