Fetal arrest 3-6 months can prepare for pregnancy, but also according to their own situation to decide. Fetal arrest occurs in early pregnancy is mostly due to the embryo’s own underdevelopment and other reasons, for the first time in the occurrence of fetal arrest need not be nervous, but there are 2 or more times when the history of fetal arrest, need to be under the guidance of the doctor for the embryo chorionic chromosome karyotyping, immune function and other aspects of the examination, and then come back to 3-6 times after the normal menstruation can be actively prepare for pregnancy, and to follow the doctor’s advice 3 months in advance of the use of folic acid. Early pregnancy due to unstable embryonic development, must pay attention to appropriate rest, not strenuous exercise and exertion, prohibit coitus, and avoid contact with radiation, formaldehyde and other toxic and harmful substances, when the ultrasound examination suggests that the fetus stops to terminate pregnancy in a timely manner, and under the guidance of the doctor to carry on the preparation for pregnancy.