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Background
Vaginal bleeding (VB) before 20 gestational weeks of a viable pregnancy is a manifestation of a threatened miscarriage. VB is associated with increased levels of pro‐inflammatory cytokines such as interferon‐gamma, tumour necrosis factor‐alpha and interleukin‐6. Increased levels of these cytokines and oxidative stress are risk factors for cancer. The risk of cancer following a VB‐affected...