Bad breath in pregnancy may be caused by changes in hormone levels, oral diseases, constipation, Helicobacter pylori infection and other reasons.
1. Changes in hormone levels: the increased level of human chorionic gonadotropin in the body after pregnancy may stimulate the gastrointestinal tract to nausea and vomiting, and prolonged vomiting may induce the manifestation of bad breath.
2. Oral disease: oral disease during pregnancy, such as dental caries, the teeth themselves will be damaged, easy to form wormholes, wormholes in the long-term food residue residue, the time is too long fermentation, which will lead to the formation of bad breath odor.
3. constipation: constipated patients during pregnancy, intestinal peristalsis slows down, feces can not be discharged normally, feces in the body stays too long, fecal odorant, sulfide reflux to the oral cavity will form bad breath.
4. Helicobacter pylori infection: infection with Helicobacter pylori after pregnancy, resulting in gastric ulcers and other lesions, may also cause bad breath symptoms.
There are many reasons for bad breath after pregnancy, and it is recommended to seek timely medical treatment for serious cases.