3/28/2023 0 Comments Stretch marks on arms![]() ![]() Stretch marks most commonly develop in the third trimester of pregnancy. Pregnancy: This is thought to be caused by hormonal changes and weight gain associated with the pregnancy. Weightlifters often develop stretch marks on their arms from the increase in muscle mass over a short period of time. Puberty and weight gain: In puberty stretch marks may occur on the back, abdominal areas, hips, thighs and breasts. They may also develop in the groin and armpits if high-strength steroid creams are inappropriately used in these areas. Stretch marks usually occur in areas involving the breast, abdomen, thighs, groins and buttocks. With time, stretch marks lighten and develop a pale, wrinkled appearance. The initial signs of stretch marks are pink to purple lines, usually running crosswise on the trunk and lengthwise along the limbs. The majority of stretch marks will improve over time, changing from red/purple to pink and then finally achieving a wrinkled appearance. New red stretch marks exhibit an increase in the number of blood vessels and inflammation, resulting in the pink/purple discoloration which can make them more responsive to treatment. Histologic studies of stretch marks confirm alteration in collagen and decreased elastin, as well as swelling in the deeper layers of the skin. Stretch marks, as the name suggests, are due to stretching of the skin, resulting in altered structural support in the deeper layers of the skin. New stretch marks are more responsive to treatment than old stretch marks. There are two types of stretch marks – red (new) stretch marks, and white (old) stretch marks. Stretch marks are a common form of scarring on the skin, affecting many people. ![]()
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