Women under the age of 40 who have a tubal reversal through the traditional surgical methods have a 70% to 80% pregnancy success rate, with conception usually occurring during the first year after the procedure. Women who have microsurgery done have a slightly higher success rate, with about 90% of women becoming pregnant within one year of the procedure.
Woman after 40, but before menopause, has 10-20 % chances to get pregnant for one year trying. With tubal reversal the chances would be 7-18% for one year. Every next year chances will getting lower and lower.
Until menopause you can use condoms, birth control pills or IUD.