Ultrasound machines have appeared in Vietnam for more than two decades with the first monochrome monitor, and the next 3D and 4D colour monitors from various kinds and many nations. However, some embryos' deformities were not discovered such as cleft lip, cleft palate, Hydrocephalus, Trisomy 13, 18 and 21, Anencephaly, Holoprosencephaly, Probosis,...even pregnant women went for an antenatal examination including ultrasound scanning. The author build a software helping diagnoses of these deformities and waming by Vietnamese messages, which support doctors using the ultrasound machine, particularly, young doctors have not a lot of experiences.