Researchers used a special X-ray technique called DXA to measure breast tissue density 4 years after girls started menstruating, and this method has been proven to work well for measuring breast composition in teenagers.
Scientific Claim
The study measured breast density using dual-energy X-ray absorptiometry (DXA) 4 years after menarche onset, which is a validated method for assessing breast composition in adolescents.
Original Statement
“BD was quantified via dual-energy X-ray absorptiometry(DXA). This method uses low-dose radiation (scan = 1.32 µSv), does not require breast compression, is highly precise and has been validated for the measurement of BD in adolescents by Shepherd et al.. This method was subsequently validated in the Chilean population at our institution, with a precision of 2.8% and an ICC greater than 0.9.”
Evidence Quality Assessment
Claim Status
appropriately stated
Study Design Support
Design supports claim
Appropriate Language Strength
association
Can only show association/correlation
Assessment Explanation
The claim correctly describes the measurement method and its validation status without implying causation or making unsupported claims about the relationship between UPFs and breast density.
Evidence from Studies
Supporting (1)
Consumption of ultraprocessed foods and breast density in adolescence