Pain in the inner thighs during pregnancy can be caused by a number of reasons: First, during pregnancy, as the fetus keeps growing, the uterus will also grow, which will compress the circulation of the lower limbs, and the inner thighs will be more painful. Second, due to pelvic inflammation, especially before pregnancy, pelvic effusion, this time did not give treatment, inflammation still exists, will affect the blood vessels of the lower limbs, causing the inner thigh lymph nodes swollen, will also cause pain. In this case, try to massage to relieve, because there is no special medicine to treat and cure during pregnancy, and elevate the lower limbs as much as possible at night, which is conducive to the blood circulation of the lower limbs, and alleviate the persistent pain in the inner thighs, so as not to bring adverse effects to the body.