Abortion one month back pain, according to their own situation to make a detailed judgment, for example, after abortion surgery has not yet come to menstruation, in the fast menstruation before the back pain, consider the manifestation of premenstrual syndrome, because the fast menstruation before the sacral ligament nerves will be subjected to a certain degree of stimulation, pelvic vasodilatation can be caused by the pain and soreness of the lower back, you can carry out a local massage or hot compresses to alleviate the pain, the end of the hot compresses will subside. The pain and soreness can be relieved by local massage or hot compresses, and will subside after the end of menstruation. But do not rule out gynecological diseases, because after the abortion surgery will cause complications, that is, pelvic inflammation, there will be a certain amount of inflammatory exudate inside the pelvis, need to carry out gynecological ultrasound examination, determine the pelvic morphology has no disorder, according to the situation can be oral medication, including the input of medication to carry out the treatment, to avoid affecting the normal life and health.