The first embryonic arrest second preparation for pregnancy can be checked, but it is not necessary. The pathogenesis of fetal arrest is complex and varied, mainly related to embryonic factors, maternal factors, paternal factors, and environmental factors. In addition, the cause of fetal arrest is unknown in about 50% of patients. As there are more clinical causes of embryonic sterilizations, one of them is related to parental chromosomal abnormalities. The first occurrence of fetal arrest, you can usually prepare for pregnancy again, two consecutive arrests need to be examined, but after one arrest can also check the chromosomes, semen routine and reproductive immune series if possible. Pre-existing history of fetal growth restriction and fetal arrest, the risk of fetal arrest in another pregnancy is more likely. If there is an abnormality in the pre-pregnancy test you can get targeted treatment and prepare for pregnancy later.