Non-invasive DNA low risk, suggesting that fetal chromosomal abnormalities are less likely, and strong light spots in the left ventricle may be caused by mineral deposits, thickening of the tendon cords, or calcified spots, which can be observed through pregnancy tests. If the left ventricle of the fetus has mineral deposits or thickening of the tendon cords, there will be strong light spots in the left ventricle during the pregnancy test, while the non-invasive DNA is low-risk, usually has no effect on the fetus, and can be observed through regular pregnancy tests. If the fetus has calcified points in the left ventricle, there will also be non-invasive low-risk left ventricle with strong points, usually with the development of the fetus will gradually become smaller, so regular review can be. If pregnant women experience abdominal pain during pregnancy, it is recommended that they seek medical attention in a timely manner, and under the guidance of a doctor, complete the relevant examinations to identify the cause of the disease and target treatment.