In ancient times, the emperor’s wife and concubine inadvertently grew stretch marks during pregnancy, they would be disgusted by the emperor, no favor for life. Although polygamy has been banned in modern times, so you don’t have to worry about losing favor after getting stretch marks, it is an unpleasant thing for any woman to have those kinds of things on her body. However, what’s worse is that stretch marks are not a disease, and modern medicine has not studied it enough to be able to say anything about its causes. The earliest research on stretch marks that can be found is a paper published in 1959 by Baldwin, an Australian physician, in which it is stated that the growth of stretch marks is not directly related to skin stretching, but rather to adrenocorticotropic hormones. This conclusion differs slightly from the current understanding of stretch marks. In general, the cause of stretch marks can be explained by the hormonal influence of pregnancy and the damage to the collagen and elastic fibers of the skin caused by the abdominal bulge, resulting in some pink or light purple patterns on the skin; although these patterns can disappear after delivery, they leave white or silvery-white lines. And stretch marks are not curable. Although there are some treatments for stretch marks on the market, such as irradiation, dermabrasion surgery, and fruit acid peels, these methods reduce stretch marks and do not cure them completely. Stretch marks on the legs, abdomen and chest The most effective treatment for stretch marks is to prevent them from happening in the first place. Although most women’s stretch marks appear in the fifth to sixth month of pregnancy, prevention should begin in the early stages of pregnancy. The most common way to prevent stretch marks is to eat right and control your weight. For mothers-to-be, weight gain should be less than 2 kg per month during pregnancy, and the weight gain throughout pregnancy should be controlled within 11~14 kg. It is also necessary to apply olive oil, almond oil, cocoa butter, etc. on the abdomen, legs and other fatty swollen areas to increase skin elasticity. This is because the cause of stretch marks is still unclear, and routine care is only a basic prevention, not a complete avoidance. After all, some girls already have stretch marks before they give birth, and the reasons for this cannot be generalized. Some of them are caused by the degeneration of elastic fibers due to glucocorticoids in the body, some are due to obesity, some are due to excessive stretching of the skin due to rapid growth during puberty, and some are due to long-term use of glucocorticoids. And stretch marks are not the exclusive property of women, some men also have stretch marks on their bodies. So the best way to deal with stretch marks is to actively prevent and control them, relax and let nature take its course.