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Cervical surgery for cervical intraepithelial neoplasia and prolonged time to conception of a live birth: a case-control study.


ABSTRACT:

Objective

To determine whether women with a history of surgery for cervical intraepithelial neoplasia (CIN) are at an increased risk of subfertility, measured as a time to pregnancy of more than 12 months.

Design

Case-control study.

Setting

Iowa Health in Pregnancy Study (IHIPS), a population-based case-control study of preterm and small-for-gestational-age (SGA) live birth outcomes (from May 2002 through June 2005) in the USA.

Sample

Women with an intended pregnancy and a history of either one prior cervical surgery (n = 152), colposcopy only (n = 151), or no prior cervical surgery or colposcopy (n = 1021).

Methods

Cervical treatment history, pregnancy intention, time to pregnancy, and other variables were self-reported by computer-assisted telephone interviews. Odds ratios were calculated using logistic regression to estimate the risk of prolonged time to pregnancy among women with a history of cervical surgery or colposcopy alone, compared with untreated women (control group).

Main outcome measure

Prolonged time to pregnancy (i.e. >1 year).

Results

Prolonged time to pregnancy was most prevalent among treated women (16.4%), compared with untreated women (8.4%) and women with colposcopy only (8.6%) (P = 0.039). After adjusting for covariates, women with prior cervical surgery had a more than two-fold higher risk of prolonged time to pregnancy compared with untreated women (aOR 2.09, 95% CI 1.26-3.46). In contrast, women with a history of colposcopy only had a risk equivalent to that found among untreated women (aOR 1.02, 95% CI 0.56-1.89).

Conclusions

Women with a history of cervical treatment for CIN are at increased risk of subfertility, measured as a time to pregnancy of more than 12 months.

SUBMITTER: Spracklen CN 

PROVIDER: S-EPMC3691952 | biostudies-literature | 2013 Jul

REPOSITORIES: biostudies-literature

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Publications

Cervical surgery for cervical intraepithelial neoplasia and prolonged time to conception of a live birth: a case-control study.

Spracklen C N CN   Harland K K KK   Stegmann B J BJ   Saftlas A F AF  

BJOG : an international journal of obstetrics and gynaecology 20130314 8


<h4>Objective</h4>To determine whether women with a history of surgery for cervical intraepithelial neoplasia (CIN) are at an increased risk of subfertility, measured as a time to pregnancy of more than 12 months.<h4>Design</h4>Case-control study.<h4>Setting</h4>Iowa Health in Pregnancy Study (IHIPS), a population-based case-control study of preterm and small-for-gestational-age (SGA) live birth outcomes (from May 2002 through June 2005) in the USA.<h4>Sample</h4>Women with an intended pregnancy  ...[more]

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