These PVs of BARD1 showed a moderate risk of breast cancer (odds ratio (OR) = 2.90, 95% CIs:2.25–3.75, p < 0.0001) but not ovarian cancer (OR = 1.36, 95% CIs:0.87–2.11, p = 0.1733). Here, BARD1 is linked to breast cancer.