Treatment of teeth in late pregnancy may have an impact on the fetus, generally not recommended, specific need to follow the doctor’s advice. Late pregnancy generally refers to seven to ten months of pregnancy, this time fetal development has generally been completed, but if the treatment of teeth, shallow caries treatment, may produce psychological pressure on the pregnant woman, resulting in pregnant women nervousness, while caries damage is serious, and may even do the root canal treatment, such as the need to inject anesthesia, as well as have serious pain treatment. If it is gingivitis and other inflammation is still not suitable for scaling, drug treatment, so as to avoid the adverse effects of drugs on the fetus. Root canals, fillings, and scaling can cause a stress reaction in pregnant women, which may lead to preterm labor and increase the risk of miscarriage. The medication may enter the fetus through the bloodstream, which can lead to fetal discomfort, developmental abnormalities, affect fetal growth, and so on. So, if you have dental problems in late pregnancy, you need to consult your doctor and get it cleaned properly, but symptoms such as severe pain need to be treated appropriately under the guidance of your doctor.