Non-invasive dna testing is also known as non-invasive DNA prenatal testing, and having breast nodules usually does not affect the results of non-invasive DNA prenatal testing. Non-invasive DNA prenatal testing detects free fetal DNA fragments in maternal peripheral plasma to be sequenced to detect whether the fetus has any of the three major chromosomal disorders. Breast nodules, on the other hand, are mostly caused by breast hyperplasia or tumors, which are affiliated with the mother’s own symptoms. The two are not directly related. If breast nodules are detected during pregnancy, there is no need to worry too much, and it usually does not affect the relevant items in the maternity test. It is important to note that if breast nodules are detected, you should actively cooperate with your doctor for treatment. Review and observe the development of the nodules in a timely manner. Maintain a good mood and a balanced and scientific diet.