By Namita S Kalla | February 11, 2025

9 reasons why stretch marks appear and how to prevent them

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 During puberty, rapid growth and changes in hormone levels can cause skin to stretch and form stretch marks

Puberty

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Gaining weight too quickly can stretch the skin beyond its limits, leading to the formation of stretch marks

Rapid weight gain

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Family history plays a significant role; if your parents had stretch marks, you’re more likely to develop them too

Genetics

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 Hormones such as cortisol and estrogen can cause skin to lose elasticity, contributing to the development of stretch marks

Hormonal changes

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Rapid muscle growth, from weight lifting or intense training, can cause stretch marks due to skin being stretched as muscles expand

Body building

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Conditions like Cushing's syndrome or Marfan syndrome can cause stretch marks due to hormonal imbalances 

Medical conditions

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Excessive use of tanning beds or self-tanners can alter skin texture, making stretch marks more visible

Tanning products

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As the belly grows during pregnancy, the skin is stretched, causing stretch marks around the abdomen, thighs, and breasts

Pregnancy

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Insufficient hydration affects skin elasticity, making it more prone to stretch marks when stretched during growth or weight fluctuations

Dehydration