Faded stretch marks

Stretch marks are a form of scarring generally associated with pregnancy, obesity, and — to a lesser extent — puberty. They come about as skin is overstretched, disrupting the normal production of collagen. They first appear as reddish or purplish lines, but tend to gradually fade to a lighter colour. A scar results from the biologic process of wound repair in the skin and other tissues of the body. ... A pregnant woman Pregnancy is the process by which a mammalian female carries a live offspring from conception until it develops to the point where the offspring is capable of living outside the womb. ... Obesity is an excess storage of fat and can affect any mammal, such as the mouse on the left. ... Puberty refers to the process of physical changes by which a childs body becomes an adult body capable of reproduction. ... Collagen is the main protein of connective tissue. ...