What are the reasons for menstruation 6 days early?

Patient's question:

Age: 32
Menstruation is 6 days early. What is the reason?
Cervical erosion degree 2, cured with microwave. Re-examined in August this year, everything was normal.

Doctor's answer:

Hello, in general, it is normal for menstruation to be a few days early. I suggest you don't overworry and maintain a positive mindset. Moreover, menstruation is related to many factors, such as mental state and external environment.
Advice: It is recommended that you pay attention to your diet and avoid eating raw, cold, spicy, or irritating foods. Also, make sure to stay warm and avoid catching a cold. Additionally, you may consider taking Ershiliu Tongjing Jiaonang (Twenty-Six Herbs for Menstruation Regulation) to help regulate your cycle.