Watery fluid outflow after transplantation is a symptom that occurs after IVF transplantation and is related to physiological factors and pathological factors, such as vaginitis, malignant tumors and other diseases. 1. Physiological factors: in order to promote the successful implantation of embryos after IVF, women will use progesterone and other drugs under the guidance of the doctor, belonging to the progesterone class of drugs, the cervix is congested and edematous under the action of hormones, resulting in increased secretion of cervical mucus, which leads to the discharge of watery fluid. It is recommended to keep the vulva clean and change underwear frequently. 2. Pathological factors: in the test tube transplantation after the watery liquid outflow, also need to consider the existence of vaginitis and other diseases. If the watery fluid is like rice-water with malodorous symptoms, you need to consider whether there is a malignant tumor. In addition, there may be other reasons for the watery fluid after transplantation, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment.