Early pregnancy riding an electric car bumps time is not long generally does not lead to fetal arrest, but should also pay attention to avoid a long time violent bumps. Fetal arrest in early pregnancy is mostly caused by chromosomal abnormalities, may also be low progesterone and other reasons, early pregnancy pregnancy time is too short, the first three months of the fetus is not yet developed, it is easy to be affected by external factors leading to the occurrence of miscarriage, such as strenuous exercise, heavy physical activity, and so on. The fetus is still unstable in early pregnancy, riding an electric bicycle for a long time violent bumps is easy to cause miscarriage, so it is best not to be violent bumps in early pregnancy. It is recommended that pregnant women do not go to the bumpy road when riding an electric bicycle, you can ride on the flatter road, and the speed should not be too fast. Pregnant women during pregnancy should pay attention to do a good job of prenatal checkups, actively listen to the advice of a professional doctor to do a good job of comprehensive care and health care, pay attention to rest, at the same time should be relaxed, to avoid nervousness, anxiety, there is any discomfort should be timely to the hospital, by the doctor to make a clear diagnosis, and cooperate with the doctor to deal with the symptoms.