Urea is a normal metabolic product of the human body. If a woman has low urea during pregnancy, the main solution is to take appropriate measures according to the cause. If it is caused by low intake of purine substances in the diet or unbalanced nutrition, it is recommended to improve the diet structure by adjusting the diet. Eating more purine-containing foods can significantly relieve the symptoms of low urea in pregnant women with milder symptoms. Pregnant women can eat more seafood, meat and other foods because of their high purine content. However, it is important to consume them in moderation to prevent too much seafood from affecting the growth and development of the fetus, and to have a balanced diet. If the low urea is serious, consider whether there is a problem with the liver, we suggest to have a liver examination first. Take medication under the guidance of a doctor, not on your own. Some medications contain harmful substances that can lead to fetal malformation or even miscarriage.