Bleeding in the toilet in the sixth month of pregnancy may be caused by urethral bleeding, placenta praevia and preeclampsia. 1. Urethral bleeding: If the patient has urethral trauma or inflammation, it may cause damage to the mucous membrane of the urethra, which may lead to the symptom of bleeding in the toilet. 2. Placenta praevia: If the patient’s placenta is in a low position, minor bleeding may also occur. It is recommended to consult the doctor in time and review the obstetric ultrasound and other examinations to clarify the status of the mother and child. 3. Pre-eclampsia: If a pregnant woman has a pre-eclampsia, there will usually be a small amount of vaginal bleeding, the patient should avoid intense exercise and follow the doctor’s instructions to actively carry out targeted treatment to protect the fetus. To summarize, there are many reasons for bleeding in the toilet in the sixth month of pregnancy, it is recommended to go to the hospital in time for examination, to clarify the cause of the disease, targeted treatment.