Most yellow urine in early pregnancy is normal. The main reasons for yellow urine are the effects of lack of water in the body, the food you eat, vitamins, etc. Early pregnancy reactions due to changes in hormone levels in early pregnancy, such as nausea and vomiting, etc. Some people will also experience an increase in saliva and a significant decrease in the amount of food eaten. The lack of water in the body, the concentration of urine and the deepening of the color of urine are normal phenomena. As long as you drink more warm water, eat some fruits and fresh vegetables, eat a light diet, and try not to eat spicy and inflammatory foods, pay attention to the color of urine gradually changed. Food eaten by pregnant women such as oranges and carrots may cause the urine to turn yellow. When taking vitamin B supplements, it is possible that the urine becomes yellow because the vitamin is not completely absorbed by the body. If you find that the yellowing of urine is very worrying, you can stop part of your diet and medication first, and in most cases normal urine will be restored soon. If there are symptoms of frequent, urgent and painful urination, there is also a possibility of urinary tract infection, you need to go to the hospital to check for urinary tract infection and need to be treated with anti-inflammatory drugs under the guidance of the doctor. Generally, simple yellow urine during pregnancy is a very normal phenomenon, there is no need to be overly anxious, but it is recommended to perform a routine urine examination to exclude other problems.