The right rib pain in late pregnancy may be caused by the uterus enlarging and compressing the right rib, resulting in inflammation of the cartilage membrane and causing pain. In this case, you should try to take the left side of the lying position to rest, so as to reduce the pressure on the right side of the rib cage. Do not overwork for a long time, pay attention to rest, when the pain is more obvious, you can gently massage to relieve the pain. Generally, after the fetus is in the pelvis and the fetal position drops, the symptoms will be relieved or improved. At this time there is no need to be too nervous, in the right side of the rib pain is obvious when you can use a hot towel hot compress, can promote blood circulation, relieve the pain. It is not recommended to use medication during pregnancy, as treatment with medication will affect the growth and development of the fetus.