Sudden stomach pain in late pregnancy, the possible causes are as follows: 1. Consider stomach cramps caused by improper diet or cold abdomen, mostly occurring when eating a lot of too cold food, or spicy stimulating food resulting in stomach cramps, the pain is more severe, mostly colic. It is recommended to eat warm food and avoid ice-cream and ice-cream. You can drink more ginger brown sugar water, hot towel hot compress stomach or massage the stomach with the palm of your hand, these can promote local blood circulation, can relieve the symptoms of colic, pay attention to abdominal warmth. 2, if there is a gastric ulcer, duodenal bulbous ulcers in patients, suddenly appeared severe stomach pain to consider whether there is a gastric perforation or duodenal perforation of the possibility. It is recommended to go to the hospital in time for relevant examinations, such as abdominal X-ray examination. After the diagnosis is clear to give active treatment, so as not to delay the condition.