Stratifying by ER and PR status, the association was limited to ER + /PR + cancers (ER + /PR + : OR = 0.86, 95% CI 0.82–0.91, P = 6.9 × 10–8; ER + /PR−: OR = 1.06, 95% CI 0.96–1.16, P = 0.25; Pint = 0.0001, Table 2). Here, PGR is linked to cancer.