Author's response to reviews Title:How many preterm births in England are due to excision of the cervical transformation zone? Nested case control study Authors:
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How many preterm births in England are due to excision of the cervical transformation zone? Nested case control study
BACKGROUND Preterm births (as a proportion of all births) have been increasing in many countries. There is growing evidence of increased risk of preterm birth following excisional treatment of the cervix. We estimate the number of preterm births attributable to excisional treatments with a length of 10 mm or more in England. METHODS Case-control study nested in a record linkage cohort of wome...
متن کاملRisk of preterm delivery with increasing depth of excision for cervical intraepithelial neoplasia in England: nested case-control study
OBJECTIVE To determine the association between depth of excision of cervical intraepithelial neoplasia and risk of preterm birth. DESIGN Case-control study nested in record linkage cohort study. SETTING 12 hospitals in England. PARTICIPANTS From a cohort of 11 471 women with at least one histological sample taken at colposcopy and a live singleton birth (before or after colposcopy), 1313 ...
متن کاملRisk of preterm birth after treatment for cervical intraepithelial neoplasia among women attending colposcopy in England: retrospective-prospective cohort study
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 betwee...
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تاریخ انتشار 2015