Original research
Contraceptive use and pregnancy planning in Britain during the first year of the COVID-19 pandemic: findings from a large, quasi-representative survey (Natsal-COVID)
Andrew J Baxter, Rebecca S Geary, Emily Dema, Raquel Bosó Pérez, Julie Riddell, Malachi Willis, Anne Conolly, Laura L Oakley, Andrew J Copas, Jo Gibbs, Christopher Bonell, Pam Sonnenberg, Catherine H Mercer, Soazig Clifton, Nigel Field, Kirsten Mitchell
doi: 10.1136/bmjsrh-2022-201763