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Stretch marks

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Stretch marks are cutaneous marks that are characterised by the localised thinning and sinking of the epidermis, the most superficial layer of the skin, and by the differentiated violet, pink or pearly colour that they can present.

Why do stretch marks appear?

They appear due to the breakage and partial loss of the collagen and elastin fibres in the affected region, leading to a decrease in skin cohesion and tissue elasticity.

They are very common during pregnancy, especially after 24 weeks. While the causes of the appearance of stretch marks remain unclear, there are certain predisposing factors that have been identified during pregnancy. These include: susceptibility to developing stretch marks or a family history of stretch marks, increased weight gain during pregnancy, high body mass before pregnancy, and the newborn child weighing heavy. Younger mothers have a greater predisposition to developing stretch marks and they are more severe.

The hormones decrease the adhesion between the collagen fibres making them less resistant to stretching. In addition, the epidermis becomes thinner, which increases the visibility of the stretch marks.

In addition to pregnancy, there are certain situations where there is a greater predisposition to developing stretch marks: puberty, sudden changes in weight or height, treatment with corticosteroids, following strict diets, etc.

What are the most affected areas?

Stretch marks vary in quantity and severity. The most affected areas are the abdomen, breasts, buttocks, thighs and hips.

They appear as linear depressions that are reddish in colour that later acquire a violet tone. Finally, over time, they usually lighten until reaching a white colour.

Tips for preventing the appearance of stretch marks

The therapeutic intervention for stretch marks mainly focuses on prevention. It is therefore is recommended to follow this advice:





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