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19 years
I have a developing or increasing stretch marks between my legs on the inner thighs even though i didnt gain or lose weight recently...i just wanna know the causes and how can i get rid of it?
Jan 12, 2015

Dr. Zakia Dimassi Pediatrics
Stretch marks are lines that appear on the body that are due to tissue underneath the skin tearing from rapid growth or over-stretching. It is a rather common condition (affecting 70% of adolescent girls and 40% of boys) that does not result in any medical problems, but it can be aesthetically bothersome. 

Stretch marks occur in certain areas of the body where skin is undergoes continuous and progressive stretching. These areas include:
 Abdomen and breast in pregnant women
 Adolescents undergoing growth spurts (thighs, buttocks, breasts)
 Shoulders in body-builders
 Obese or overweight people

Stretch marks can also result from long-term use of oral or topical corticosteroids, and from anabolic steroids (in body builders). 

Stretch marks begin to form when an area of skin becomes flattened and thin with a pink color, with an occasional itchy sensation associated with it. This is followed by the appearance of reddish or purplish lines that are perpendicular to the direction of skin tension (striae rubra). Over time, these lines turn whitish or flesh-colored and much less noticeable (striae alba).

Factors leading to the development of striae have not been fully revealed. They could result from"breaks" in the connective tissue. Skin distension (as in the case of gym enthusiasts who lift heavy weights) may lead to damage of collagen and elastin, the two major proteins in the skin. Prolonged use of oral or topical corticosteroids leads to the development of striae. Genetic factors play a rile that is not well understood.

Stretch marks usually are only a cosmetic problem. If they 1st appear during adolescence, they are expected to become less visible over time and generally require no treatment. In other cases, if stretch marks persist and are a cause of concern, the following treatments may be tried, but there is no proof that they are effective:
Moisturising oils
Topical retinoid therapy
Chemical peels
Pulsed dye laser therapy
Fractional thermolysis
Skin needling
 

In your case, it could be due to genetic factors, excess weight bearing (if you do that kind of exercise), or both.
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