Bleeding in urine at 38 weeks of pregnancy may be caused by the presence of urinary tract infection, or it may be caused by urinary stones, further examination of urine routine, urine culture, ultrasound examination of the urinary system is needed to clarify the specific causes. If it is a urinary tract infection you can choose safer antibiotics, such as azithromycin tablets, amoxicillin capsules, cefuroxime tablets oral treatment for 3-5 days, bleeding in the urine can be effectively relieved. If it is found through examination that the bleeding in urine is caused by urinary stones, there is no way to carry out lithotripsy treatment during pregnancy, and you can only use proprietary Chinese medicines or traditional Chinese medicines, such as cornstalks boiled in water, which can be conducive to the discharging of the stones. Usually, you should drink at least 2000mL of water a day, and adequate diuresis will help avoid the occurrence of urinary tract infections and also help avoid the formation of urinary stones.