Amniocentesis does not have a high reversal rate, and the probability of having an abnormal amniocentesis result is high if other prenatal diagnostic prompts are abnormal. Amniocentesis, also known as amniocentesis, is performed by extracting fetal amniotic fluid through an amniocentesis needle under ultrasound guidance, and is a commonly used prenatal diagnostic method in the clinic, but the probability of flopping is not high if non-invasive DNA has been done suggesting an abnormality. The accuracy of amniocentesis in diagnosing Down syndrome is very high. If you are found to have a genetic abnormality, you are basically able to determine that there is indeed an abnormality, and you should consider it carefully and decide whether or not to terminate the pregnancy. It is recommended to go to a regular public hospital for amniocentesis to make a clear diagnosis, actively cooperate with the clinician, and do pregnancy checkups on time. During the physical examination, it is important to relax and avoid excessive tension, which may affect the examination results.