Pregnant women’s gums are swollen and painful may be caused by gingivitis, wisdom teeth pericoronitis, periodontitis, etc., need to take medication for the cause of the disease, as well as general measures to regulate. 1. Gingivitis: for gingivitis caused by pregnant women with swollen gums can be under the guidance of a doctor with 1% hydrogen peroxide solution, povidone-iodine solution and other solutions to rinse the gingival sulcus. For the swelling of the gums significantly affect the eating of pregnant women, can be in the fourth to sixth month of pregnancy when the second safe gingivoplasty treatment. 2. Wisdom tooth pericoronitis: If a pregnant woman has wisdom tooth pericoronitis that causes gum swelling and pain, she needs to follow the doctor’s instructions with 0.1% chlorhexidine solution, saline solution and other solutions to rinse the blind pocket. 3. Periodontitis: pregnant women with periodontitis can also lead to swollen gums, when pregnant women need to do supragingival scaling, subgingival scaling to remove calculus on the gums. It is recommended that pregnant women with swollen and painful gums need to consult a doctor in a timely manner, the doctor will choose the appropriate measures to treat the pregnant woman’s condition. In addition, pregnant women should avoid unauthorized use of medication, so as not to have an impact on the development of the fetus, and pregnant women need to keep their mouths clean, each time after eating to rinse their mouths in a timely manner, every day, you also need to develop the habit of brushing their teeth in the morning and evening.