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Consolidated Standards of Reporting Trials (CONSORT) diagram illustrating the number of participants and data collection at each stage of the study. aFive of 20 women in cohort 3 dropped out after completing the baseline questionnaire and did not receive a stop smoking consultation/offer of NRT; bthree of 10 women in cohort 2 could not give a carbon monoxide (CO) sample due to COVID‐19 restrictions on face‐to‐face contact—CO samples were carried out remotely in cohort 3
