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Tubotubal anastomosis for reversal of female sterilization in Thailand.

From September 1979 to December 1983, 168 women requested sterilization reversal. Forty-four of them were selected for tubotubal anastomosis, employing a microsurgical technique. The mean age was 28.7 years (range, 22-37), the mean number of pregnancies was 2.0 (range, 0-3), and the mean number of living children was 1.6 (range, 0-3). The main reason for the reversal request was remarriage (63.63%). The overall crude rate of full-term intrauterine pregnancies resulting in live births was 61.4%. The ectopic pregnancy rate was 4.5% and the abortion rate, 2.3%. Three cases were lost to follow-up. Life-table analysis revealed a cumulative pregnancy rate of 77% one year after surgery and 80% two years after surgery.