Generally, you can have intercourse only 3 days after your period is completely clean. If you have intercourse during menstruation or when your period is just clean, it will cause harm to women, including: 1. When your period is just clean, the shed endometrium, functional layer and basal layer have not been fully repaired, such as intercourse at this time will cause the trauma to bleed again and prolong your period. 2. It is easy to get infected. Menstrual blood is a nourishment for viruses and bacteria, and male genitalia will bring bacteria and viruses into the The company’s main business is to provide a wide range of products and services to its customers.