Pregnant mouth ulcers that mouth ulcers, its self-limiting, pregnant women can do their own daily care. 1. The etiology of mouth ulcers is not yet clear, mostly considered to be related to genetic, dietary, immune and other factors, and women with low serum progesterone levels will also increase the risk of mouth ulcers. The mouth ulcers during pregnancy, can not take medication without authorization, because the disease is self-limiting, most of them can be healed in about 1 week, so pregnant women usually do a good job of their own care can be. 2. Usually, pregnant women with mouth ulcers need to actively regulate their diets, eat more fresh fruits and vegetables, and supplement water reasonably, so as to keep their stools smooth and their mouths moist. 3. Pregnant women also need to develop good living habits, ensure adequate sleep, avoid overwork. At the same time, pregnant women can also according to their own situation, reasonable exercise, is conducive to enhance the body’s immunity, but also conducive to the recovery of the disease. It is recommended that pregnant women with ulcers in the mouth, pay more attention to life management, if necessary, can follow the doctor’s instructions to take medication to promote recovery.