The amniocentesis report card shows no chromosomal abnormality can only rule out the absence of chromosomal diseases, but also need to regularly consult the doctor for various examinations to ensure that the development of the fetus is normal. Amniocentesis can generally understand the physical condition of the fetus, determine whether there are chromosomal abnormalities, if the chromosome is not abnormal that there is no chromosomal abnormalities, do not need to be overly nervous. Generally in the process of pregnancy not only need to know the chromosomal condition of the fetus, at the same time also need to regularly consult the doctor for four-dimensional ultrasound examination and other aspects of the examination, etc., through this kind of examination can determine whether there is a fetal abnormality. During pregnancy, pregnant women should eat more food rich in protein, such as eggs, lean pork, soy products, milk and so on. It is also necessary to properly supplement shrimp, fish, pork liver, oats, walnuts, peanuts and other foods, eat more fresh vegetables and fruits, to ensure that the intake of food nutritionally balanced, to avoid a single nutrient. Pregnant women during pregnancy should pay attention to do a good job of prenatal checkups, actively listen to the advice of professional doctors to do a good job of comprehensive care and health care, pay attention to rest, at the same time should be relaxed, to avoid nervousness, anxiety, there is any discomfort should be timely to the hospital, by the doctor to clarify the diagnosis, and cooperate with the doctor to deal with the symptoms.