If there is only a slight pain, it is considered to be a pulling pain caused by the enlargement of the uterus, and the pain is not obvious, no special treatment is needed. During this period try to rest, do not overwork, otherwise it will easily lead to the possibility of pre-eclampsia miscarriage, also need to pay attention to relax, do not have too much pressure, do not be too nervous, moderate amount of enhanced nutrition, eat more fresh fruits and vegetables. In the middle of pregnancy, the fetus grows faster, you also need to supplement calcium in the right amount, if the lack of calcium will lead to bone or muscle pain, you can take the right amount of calcium tablets for pregnant women, usually in the diet also need to eat more food with high calcium content.