Women may still have fetal arrest after pregnancy even if there is fetal heartbeat and fetal buds. How to prevent fetal arrest after having a fetal heartbeat requires women to pay attention to and regulate from prenatal checkups, living environment, diet and mood. In early pregnancy after the fetal heart buds if the blood progesterone level is relatively low, then it will still cause fetal arrest, so it is very important to do the progesterone test, if found to have a low progesterone, you need to take a supplemental progesterone medication under the guidance of the clinician, which can effectively prevent fetal arrest. In the living environment should also pay close attention to, can not live in the freshly renovated house or too noisy environment, it is best to choose to live in a quieter, better air environment. In the diet to eat more protein content and high iron content of food, such as lean meat, eggs, fish, etc., do not eat cold food, such as lychee, yam, shrimp and crab are best not to eat. In the personal mood is also very important, to maintain an optimistic and cheerful mood, do not be depressed, not too sad or depressed mood, has been in a sad mood, that will also exacerbate the chances of fetal arrest. Women pay attention to the above aspects, then in general, there is a fetal heart after the chance of fetal arrest will be greatly reduced, of course, if it is a pathological factor, such as chromosomal abnormalities or hereditary diseases and other factors caused by fetal arrest, then there is no way to human control.