In both men and women, a WHR of 1.0 or higher can indicate an increased risk for some weight-related health conditions, including heart disease.
Yn achos dynion a menywod, gall WHR o 1.0 neu uwch ddangos risg uwch ar gyfer rhai cyflyrau iechyd sy'n gysylltiedig â phwysau, gan gynnwys clefyd y galon.