lower back pain in a pregnant woman. exacerbation of chronic diseases, osteochondrosis and intervertebral hernia. load on the

abdomen baby back backache backbone background belly big blouse care change child childbearing chronic concept disease diseases exacerbation female gestation girl h3althy health hernia hormonal hormone hormones intervertebral ischalgia kyphosis load lordosis lower maternity medical motherhood muscle muscles musculoskeletal myalgia osteochondrosis pain posture pregnancy pregnant scoliosis small spasm spine spondylarthrosis stomach system tension trimester vertebra white woman women