Dental scaling for pregnant women is generally not harmful to the fetus, but it should be avoided for too long and too much stimulation so as not to induce discomfort in the organism. Scaling refers to the removal of plaque, tartar and stains on the gums by means of scaling instruments to achieve the effect of teeth cleaning, which is an effective measure for the treatment and prevention of periodontitis and gingivitis, and can prevent serious periodontitis or gingivitis during pregnancy. And scaling is a local operation of the oral cavity, generally does not affect the fetus, so pregnant women can be scaling. However, pregnant women should communicate positively with the doctor before scaling to eliminate nervousness, and the scaling time should not be too long, and the local stimulation should not be too strong, so as to avoid prolonged or intense local stimulation triggered by gum pain and other adverse reactions. Pregnant women should consult a professional doctor for advice on whether they can have their teeth cleaned, and if any discomfort occurs during the cleaning process, the doctor should be informed in time to avoid adverse effects on the fetus.