Pubalgia is a common in symptom in late pregnancy, and the severity of pubalgia is not directly related to when you go into labor. Sometimes the pain in pubic bone lasts for a month before delivery, sometimes the pain in pubic bone will split after a few days, when the delivery is still according to the expected date of birth to determine. Pubalgia is the result of the body being overly sensitive to the late pregnancy secretion of relaxin, which loosens the pelvic ligaments to facilitate labor. Of course, if the collective is too sensitive to Song Ci Su, it will cause the separation of the pubic symphysis, manifested as pubic bone pain, and in severe cases, even unable to walk. But mostly does not affect labor, as long as you can take the position of labor, bladder truncation position is also lying flat on the bed, legs flexed apart, as long as you can take this position, generally does not affect labor.