Risk of preterm birth after treatment for cervical intraepithelial neoplasia among women attending colposcopy in England: retrospective-prospective cohort study

@inproceedings{Castan2012RiskOP,
  title={Risk of preterm birth after treatment for cervical intraepithelial neoplasia among women attending colposcopy in England: retrospective-prospective cohort study},
  author={Alejandra Casta{\~n}{\'o}n and Peter Brocklehurst and Heather Evans and Donald M. Peebles and Naveena Singh and Patrick L C Walker and Julietta Patnick and Peter David Sasieni},
  booktitle={BMJ},
  year={2012}
}
OBJECTIVE To explore the association between preterm delivery and treatment at colposcopy. DESIGN Retrospective-prospective cohort study using record linkage. SETTING 12 National Health Service hospitals in England. PARTICIPANTS Women who had a cervical histology sample taken between 1987 and 2009. These women were linked by hospital episode statistics to hospital obstetric records between 1998 and 2009 for the whole of England to identify singleton live births between 20-43 gestational… CONTINUE READING