Is a D&C still necessary after a natural miscarriage of a missed abortion?

Patient's question:

Natural miscarriage due to fetal demise

Doctor's answer:

Analysis of the condition: Hello, if there is no residue in the uterus, there is no need for a D&C procedure. Postoperative anti-inflammatory treatment is recommended.
Suggestions:
1. Avoid sexual activity and tub baths for 1 month post-surgery. Refrain from spicy and irritating foods. Rest properly.
2. Maintain a positive mood and avoid tension and anxiety.
Doctor's inquiry: