Stretch marks, also known as striae, are linear indentations or ridges that appear on the skin surface due to rapid stretching of the skin. They commonly occur during pregnancy due to stretching of the abdomen, development of breasts, weight gain or loss, and rapid growth during puberty. Stretch marks initially appear as red or dark pink lines on the skin and fade to white, gray or si... https://justpaste.me/pRe91