Does folic acid cause fetal arrest?

In the first three months of pregnancy or when preparing for pregnancy, often from the perspective of eugenics, in order to prevent fetal neural tube defects, it is recommended to take folic acid tablets orally. Mainly to prevent the occurrence of fetal spina bifida and anencephaly, will not cause the embryo to stop developing. If the embryo stops developing, the most common clinical reason is that the fetal chromosome shows deletion, so it will cause the embryo to stop developing. In addition, pregnant women themselves for some reasons, can also cause the embryo to stop development, such as serious medical diseases, such as liver and kidney function damage, can cause the embryo to stop development, or exposure to toxic and harmful gases, or objects, can also make the embryo stop development. In addition, high temperature or sudden changes in the environment, showing noise, can also cause the embryo to stop development.