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Predictors of success of reversal of sterilization
A A Rouzi1, M Mackinnon, P F McComb
1Department of Obstetrics and Gynecology, University of British Columbia, Canada.
Objective:
To determine the prognostic variables effecting the successful pregnancy outcome of reversal of sterilization.
Design:
Demographic and clinical history data were collected prospectively.
Setting:
Division of Infertility and Reproductive Endocrinology, Department of Obstetrics and Gynecology, University of British Columbia, Vancouver, Canada.
Patients And Intervention:
Between 1981 and 1992, 217 consecutively referred patients underwent reversal of sterilization by a single surgeon using microsurgical techniques.
Main Outcome Measures:
Prognostic variables associated with success were examined using logistic regression and expressed as odds ratios with corresponding 95% confidence intervals.
Results:
Age at reversal was a significant factor with the odds of a successful outcome for those < or = 35 years compared with those > 35 years being 2.3 with a 95% confidence interval of 1.3 to 4.1. There was some evidence that average tubal length as categorized in 2-cm intervals was a significant prognostic factor with the odds of a successful outcome for those with an average length of > 4 cm to those < or = 4 cm being 5.3 with a 95% confidence interval of 1.4 to 20.0.
Conclusions:
Nonsubjective analysis of the prognostic variables of reversal of sterilization associates only age and tubal length of > 4 cm with intrauterine pregnancy.