If tubal effusion occurs after menopause, it may be caused by tubal inflammation, tubal ligation and so on. 1. Tubal inflammation: if infected by bacteria or other pathogens, it is easy to cause local inflammation, which will lead to increased exudate and may cause tubal effusion. 2. Tubal ligation: some women will undergo tubal ligation after delivery, if the operation is not standardized, causing damage to the fallopian tube, tubal effusion may also occur. In addition, there are many other causes of tubal effusion, it is recommended that when the situation occurs, timely medical care.