It is common to experience back pain in early pregnancy. It may be a precursor to a miscarriage, or it may be caused by a calcium deficiency. As the baby grows and develops, it needs more calcium substances. The mother must consume a large amount of calcium-containing substances to meet the needs of the baby’s normal growth, and if the calcium intake is insufficient, the symptoms of back pain will occur. So it is important to pay attention to the supplementation of calcium substances, but of course, it may also be affected by other factors that cause fetal movement, which may lead to miscarriage. Generally speaking, if it is too strenuous exercise, it can lead to the phenomenon of miscarriage, so it is recommended to be sure to pay attention. If it is caused by a lack of calcium-like substances, it is important to take calcium supplements in a timely manner. You can eat calcium-rich foods and, if necessary, take calcium tablets to supplement them. If there is a possibility of miscarriage, it is recommended to go to the hospital for examination and treatment in a timely manner.