back pain in a pregnant woman. load on the spine due to pregnancy. exacerbation of chronic diseases in the back, osteochondrosis

abdomen back background belly big blouse childbearing chronic concept disease diseases exacerbation female frame gestation girl health hernia hormonal hormone hormones hurts intervertebral load lumbar medical muscle muscles muscular nerve neurological osteochondrosis pain posture pregnancy pregnant purple small spasm spine stomach symphysite tension trimester violet white woman