What does it mean if i got results of a little blood in urine sample with a little bit of red blood cells? and they need a cleaner sample?

Vaginal fluid: contamination. It may be that the urine was contaminated with vaginal fluid that had blood in it. It is proper to repeat the test with a clean specimen. You may visit this site for instructions on proper urine sample collection. https://patienteducation.osumc.edu/Documents/cl-ca-fe.pdf Wish you good health! - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex.