Why do you need to check 2-3 times for routine semen examination?

In clinical practice, there are often patients with diyi results that are not very good, so they are somewhat negative, thinking that their fertility is not good. In fact, doctors usually need to pass at least two semen examination reports before they can judge whether the patient’s fertility is normal. At this time, the patient may want to ask, why does the result of each semen test be different? Why does the routine semen test need to be checked 2-3 times? The routine semen test results will be different each time The main reason and semen analysis The method is related, but also related to the patient’s own physical condition. 1. The abstinence time of semen examination The number of abstinence days before semen test has an effect on the results of semen examination, especially on the amount of semen and the number of sperm. If the interval of sperm discharge is too short, the amount of semen and sperm will be reduced, which cannot truly reflect the fertility of men. However, if the interval of sperm discharge is too long, it will cause the increase in the number of dead sperm and abnormal sperm in the semen. ability. 2. Differences in laboratories Different laboratories may have some differences in testing the same semen. Since the semen inspection is to sample part of the semen after mixing, there will be errors in sampling. Some people divided the same semen into many parts and sent them to multiple laboratories, which were tested by different laboratory technicians. The results were not consistent. At present, most laboratories use a “computer-aided semen analysis system”, the two important parameters of sperm concentration and vitality are calculated by the computer. The sperm morphology analysis is still observed and counted by the experimenter through a microscope, so there will be subjective errors. 3. Physiological fluctuations of human body In addition, there are obvious physiological fluctuations in the generation of human semen, so the quality of semen fluctuates relatively every time, so the results of semen tests are different. In general, clinical requirements require that patients who have been treated for the first time perform sperm analysis 2-3 times in succession at intervals of 1-2 weeks to ensure the accuracy of the test results. In addition, semen examination should not be performed in cases of fever, illness, alcoholism, overwork, and severe staying up the night before. Generally after excluding the above-mentioned influencing factors, in the same laboratory, the continuous semen analysis conducted by the same experimenter for 2-3 times can basically reflect the true situation of semen. If there is still a continuous and obvious change at this time, it should be considered whether certain positive treatment measures have improved the quality of semen, or other adverse factors have damaged the semen and reduced its quality. If multiple inspections are not normal, or the abnormal content and items in the two inspections are the same, then the diagnosis can be made. If the diyi check is not normal and the second is normal, then we think that the patient’s fertility is still acceptable. Routine semen examination is an important means to diagnose the cause of male infertility. The results of routine semen examination will have a general understanding of the amount, smell, color, liquefaction time of the patient’s semen, and the number, activity, activity rate and morphology of sperm in the semen. Therefore, the average doctor asks the patient to perform 2-3 semen examinations not to want to bill more, but to ensure the accuracy of the examination results.