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Korean Journal of Obstetrics & Gynecology 1998;41(10):2636-2639.
Published online January 1, 2001.
Cumulative Pregnancy Rate After Microsurgical Reversal of Tubal Sterilization.
M S Lee, M K Koong, K R Ham, W Y Hyun, K J Yoo, J H Song, S J Hong, E C Baik, K S Lee, J Y Jun
To evaluate what factors can influence the pregnancy outcome of the patients who underwent microsurgical of tubal sterilization and to calculate cumulative preganncy rate and probability of pregancny by period of follow-up. DESIGN: Retrospective clinical study. Patient(s): One hundred nineteen patients who had sterilized and had operated microsurgical tubal reversal by one operator in our hospital between April 1993 and March 1995. Main Outcome Measure(s): Clinical characteristics of patients, influencing factors and cumulative pregnancy rates by logistic regression analysis and life-table analysis. RESULTS: Pregancny outcomes were identified in 72.3% of the total patients (86/119). The overall pregancny rate was 77.9% (67/86), which included biochemical pregnancy (1/86, 1.2%), ectopic pregnancy (4/86, 4.7%) and intrauterine pregnancy (62/86, 72.1%). The factors influencing pregnancy outcome in this study by logistic regression analysis were tubal length after operation and interval from operation to achieving pregnancy. The probability that pregnancy would occur within first 24 months in total patients was 0.75. The median interval from tubal reversal to pregnancy was 6.6 months. CONCLUSION: The overall probability of pregnancy was 0.75 within first 24 months. The tubal length reconstructed after operation was the major factor affecting the pregnancy outcome according to result of this study.
Key Words: Microsurgical tubal reversal, Cumulative pregnancy rate

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