Research
Hormonal
Obesity and PCO have a synergistic deleterious effect on glucose tolerance, leading to higher fasting and post-load glucose levels and increased basal hepatic glucose production compared to either condition alone.
For women with PCO who are also obese, the risk of developing type 2 diabetes is significantly higher than for obese women without PCO. This is due to a 'double hit' of hormonal resistance and excess weight. Aggressive management of both insulin sensitivity and weight is crucial.
StrongSupportsHIGH confidence
PCO and obesity have a synergistic deleterious effect on glucose tolerance... There were statistically significant interactions between obesity and PCO in fasting glucose levels and basal HGP (P < .05).
Why this rating
Robust statistical interaction found using ANOVA on clamp data.
Source
Profound Peripheral Insulin Resistance, Independent of Obesity, in Polycystic Ovary Syndrome
Andrea Dunaif et al. · Diabetes · 1989
DOI 10.2337/diab.38.9.1165
cross_sectional · n=48Cited 1,859×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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