Urinary occult blood in pregnant women may be caused by inflammation of the urinary system, urinary stones, vaginal bleeding or kidney disease. 1. Pregnancy combined with inflammation of the urinary system or urinary stones: generally not very serious, need to take reasonable medication under the guidance of the doctor, usually pay attention to drink more water, diet should be light. 2. Vaginal bleeding: If there is vaginal bleeding, vaginal bleeding mixed into the urine can also cause urinary occult blood, which requires the doctor to do an examination to determine the identification, clear reasons for the emergence of early prevention of abortion related measures. 3. If it is caused by renal disease, you need to be treated with renal protection medication. Need to pay attention to, urine occult blood, pay attention to drink more water, and then to urinate in a timely manner, do not hold urine, to avoid the burden on the kidneys; do not eat spicy and stimulating food, usually more exercise, but also pay attention to personal hygiene. Pregnant women with occult blood in the urine are recommended to go to the hospital in time for a clear diagnosis, so as not to delay the condition.