The pain on the right side of the back of a pregnant woman: 1, may be due to the muscle and ligament of the back during pregnancy, or due to gynecological inflammation. 2, may also be due to lumbar spine diseases, such as lumbar muscle strain, and lumbar disc herniation may also appear the phenomenon of right side of the back pain. 3, there are also women with right kidney stones, which may This can cause severe pain in the right side of the waist. Therefore, if the symptoms of right-sided lumbar pain are not relieved by short-term treatment, you must go to a regular hospital in time for a maternity checkup, or go to the appropriate department for diagnosis and treatment, and choose the right method to reduce the symptoms of lumbar pain as soon as possible.