After having a tubal flotation, it is best to have intercourse after half a month. Tubal irrigation may cause damage to the mucous membrane of the cervix, which may lead to a small amount of vaginal bleeding. If you have intercourse too early, when the mucosal damage is not healed, there is a possibility that pathogenic bacteria will invade the cervix along the damaged fissure, which will lead to localized chronic inflammation of the cervix. Therefore, it is better to have intercourse 15 days after the water passage, because at this time the cervical mucous membrane damage has already healed. In addition, after the water should also pay attention to, can not sit in the bath, only shower, a month later, sit in the bath, mainly to avoid the bath water into the vagina and cause infection. It is recommended to take proper rest after the tubal irrigation, and pay attention to keep the local clean to avoid the infection of pathogenic bacteria.