You can have intercourse during follicle measurement. The main reason for monitoring follicles clinically is to correctly guide the time of intercourse, but also to understand whether the follicle growth and development is normal, so you can have a normal sex life during the monitoring period. Especially for women who plan to get pregnant, it is recommended that after the diameter of the follicle reaches the advantage, you can choose to have intercourse, which will clinically improve the chances of pregnancy. However, it is important to pay attention to sexual hygiene during coitus to prevent pathogenic bacteria from being brought into the vagina and causing an inflammatory reaction. If the inflammatory reaction is caused, and the pregnancy will bring certain difficulties to the treatment, so the hygiene must be paid attention to during coitus. In addition, it is also recommended to do follicle monitoring every other day after intercourse to find out if the follicle has ruptured and discharged an egg.