The persistence of risk of venous thromboembolism (VTE) due to combined hormonal contraceptives (CHC), after their cessation, is unknown, but is important to guide clinical practice. Our objective was to conduct a prospective cohort study to define the time until normalization of the estrogen-related thrombotic biomarkers after CHC cessation. We enrolled women aged 18-50 years who had decided to stop their CHC, excluding those with a personal history of VTE, current anticoagulation, a …