Practice Pregnancy Plus Valvular heart disease BMJ 2007; 335 doi: https://doi.org/10.1136/bmj.39365.655833.AE (Published 15 November 2007) Cite this as: BMJ 2007;335:1042 Article Related content Metrics Responses Peer review Data supplement Web references Files in this Data Supplement: Web references See more Pregnancy and alcohol misuse BMJ March 30, 2009, 338 b845; DOI: https://doi.org/10.1136/bmj.b845 Obesity and pregnancy BMJ December 15, 2008, 337 a2450; DOI: https://doi.org/10.1136/bmj.a2450 Migraine in pregnancy BMJ June 26, 2008, 336 (7659) 1502-1504; DOI: https://doi.org/10.1136/bmj.39559.675891.AD Chronic kidney disease in pregnancy BMJ January 24, 2008, 336 (7637) 211-215; DOI: https://doi.org/10.1136/bmj.39406.652986.BE Eating disorders in pregnancy BMJ January 10, 2008, 336 (7635) 93-96; DOI: https://doi.org/10.1136/bmj.39393.689595.BE