How to collect daily urine so that the result is adequate? There are several conditions that must be followed:
• Urine is collected strictly within 24 hours. Collection must begin in the morning. The first portion of urine - in the toilet.
• From the moment of the first urination, you should record the time after which 24 hours you need to collect all the urine in a prepared container.
• Be sure to record the amount of liquid consumed per day (water, tea, coffee, juices, soups).
• Before each trip to the toilet, you need to wash yourself so that mucus and bacteria from the external genital organs do not get into the urine.
• Between periods of collection, store the jar of urine in a dark, cool place, preferably in the refrigerator.
• After the last urination, the volume of collected urine should be measured.
• At the end of the collection, mix the collected biomaterial, select a portion of 50-100 ml in a sterile plastic container and deliver it to the laboratory for analysis within the next 2 hours. To inform the employee of the medical institution about the volume of diuresis.
An analysis for daily diuresis during pregnancy allows you to evaluate the following indicators:
• Physical properties - color, transparency, specific gravity, pH of the medium.
• Chemical properties - normally, protein, glucose, bilirubin, hemoglobin, ketone bodies and nitrites in the urine of a pregnant woman should be absent or present in small quantities.
• Microscopic examination of sediment - determination of erythrocytes, leukocytes, squamous epithelium, mucus, pathogenic microorganisms, phosphates, oxolates, etc. These substances should normally be absent.