Minor bleeding during the 5th month of pregnancy may be caused by low placenta position, pre-miscarriage, etc. Symptoms can be relieved by lifestyle adjustment and medication. 1. Low position of the placenta: it may be caused by uterine fibroids, advanced pregnancy, etc. Slight bleeding, abdominal pain and other symptoms may occur, and the lifestyle should be adjusted according to the doctor’s instructions, avoiding strenuous exercise, avoiding large movements, avoiding constipation, and ensuring sufficient sleep. 2. Pre-eclampsia: It may be caused by insufficient luteal function during pregnancy, hypothyroidism and other reasons that lead to hormone levels that cannot support the normal development of the fetus, resulting in pre-eclampsia, which may be characterized by paroxysmal lower abdominal pain, low back pain, mild bleeding and other symptoms, and can be treated with progesterone, thyroid tablets and other medications as prescribed by the doctor. At this time, it is necessary to be absolutely bedridden and hospitalized for observation if necessary. Therefore, patients with slight bleeding in the fifth month of pregnancy may have other causes, and should go to the hospital as soon as possible to identify the cause of the disease, and actively cooperate with the doctor for treatment after diagnosis.