Four months pregnant with a tissue wipe with blood spots may be related to cervical polyps, preeclampsia and other factors, the patient can be treated through more rest, the use of drugs and other ways. 1. Cervical polyps: pregnant women during pregnancy, estrogen levels are unstable, may cause cervical polyps, or pregnant women have uterine polyps before pregnancy, at this time the patient will have a small amount of bleeding, generally can be treated with polypectomy. 2. Pre-eclampsia: Pregnant women who experience pre-eclampsia during pregnancy may experience a small amount of vaginal bleeding, which is often accompanied by lower abdominal pain and lower back pain, which can be treated with proper rest and progesterone supplementation. Patients need to be especially cautious in the use of medication during pregnancy, need to strictly follow the doctor’s instructions, strictly prohibit the use of drugs or change the dosage of drugs to prevent adverse reactions.