Prenatal diethylstilbestrol exposure and cancer risk in women

In the Diethylstilbestrol [DES] Combined Cohort Follow‐up, the age‐ and calendar‐year specific standardized incidence ratio [SIR] for clear cell adenocarcinoma [CCA] was 27.6 (95% confidence interval [CI] 7.51‐70.6) for the exposed women. The SIR for breast cancer was 1.17 (95% CI 1.01‐1.36) and the hazard ratio [HR] adjusted for birth year and cohort for comparison with the unexposed was 1.05 (95% CI 0.79‐1.41). The SIR for pancreatic cancer...