Bilateral ventricle 12.8 requires follow-up monitoring, if there is no further widening and no combined chromosomal abnormality, treatment can be continued after birth, if there is further widening or chromosomal abnormality, birth is not recommended. Widening of the lateral ventricles may be caused by fetal hydrocephalus or chromosomal abnormalities, and there is a higher likelihood that the fetus will not survive after birth or will have abnormal physical and intellectual development, which usually requires continuous monitoring or evaluation. Physiologic widening of the lateral ventricles should be less than 10mm, if the widening of the lateral ventricles is greater than 10mm consider hydrocephalus, need to closely monitor whether there is further widening, and chromosomal screening, when chromosomal abnormalities are found or widening greater than 15mm should be terminated in time, the possibility of fetal mental development is very high, if there is no chromosomal abnormality can be continued to follow the diagnosis. Pregnant women should pay attention to the prenatal examination during pregnancy, actively listen to the advice of professional doctors to do a comprehensive nursing care, pay attention to rest, at the same time should relax, avoid tension, anxiety, 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.