Cone biopsy shortens the cervix and is associated with preterm birth in later pregnanciesBMJ 2006; 332 doi: https://doi.org/10.1136/bmj.332.7543.0-e (Published 23 March 2006) Cite this as: BMJ 2006;332:0-e
Research question Does vaginal ultrasonography help predict preterm birth among women who have been treated for cervical intraepithelial neoplasia?
Answer Possibly. Vaginal ultrasonography may help predict preterm birth among women who have had loop electrosurgical excision.
Why did the authors do the study? Some evidence exists that treatments for cervical intraepithelial neoplasia, such as cone biopsy, are associated with preterm birth. If so, a shortened cervix could be to blame. These authors wanted to find out if measuring the cervix in mid to late pregnancy could help predict preterm birth among women who have had cervical procedures.
What did they do? They compared three groups of …