She has been disabled for some years by a curvature of the spine that is considered to be too advanced to be operated on.
Physical growth occurs rapidly during the first two years of life.
During the first two years, the body enlarges more rapidly than at any time after birth. Normally, birth weight has doubled by five months of age, tripled by one year, and quadrupled at two years. Research has indicated that these height and weight gains occur in little growth spurts. Toddlers become more slender, a trend that continues into middle childhood. There are two patterns of growth that describe the maturing toddler.