Usually you can prepare for pregnancy 3 months after the tubal flux. Tubal fluids are used to test the patency of the fallopian tubes and are performed by a medical professional. The fluids commonly used in the fluids are saline or antibiotic solutions (gentamicin, dexamethasone, hyaluronidase and water for injection), which have no effect on ovarian ovulation. Therefore, for those whose fluids suggest that the tubes are patent, they can start preparing for pregnancy under the guidance of their physicians 3 months after the procedure. Tubal infusion should be performed when the menstrual period is clean for 3-7 days, and sexual intercourse should be prohibited for 3 days before the operation, and contraindications such as acute inflammation of the reproductive tract and fever should be excluded. After the operation, we should pay attention to proper rest, keep the vulva clean, give antibiotics such as amoxicillin to prevent infection as prescribed by the doctor, and prohibit sexual intercourse and pelvic bath for 2 weeks.