Periodontitis during pregnancy can be treated as follows: 1. Remove local irritants, such as plaque, calculus, bad restorations, etc. The treatment should be gentle to minimize bleeding and pain. 2. Due to the higher secretion of estrogen in pregnant women, resulting in capillary hyperplasia and increased gingival brittleness, care should be taken to operate gently to reduce bleeding and pain.2. If the periodontal pockets are deeper, accompanied by obvious overflow of pus, you can use a less irritating 1% hydrogen peroxide solution that doesn’t affect the growth and development of the fetus to rinse and gargle.3. Strengthen the oral hygiene and cleanliness, and brush and gargle in a timely manner after meals.4. Obviously hyperplastic areas affecting the When eating, gum revision surgery can be completed in the relatively safe 4-6 months of pregnancy.