“…Davidson and Donald (1972) reported the results of 810 procedures, mostly laparoscopic tubal coagulation, and this series contained no deaths, although a small number of patients required subsequent laparotomy. No deaths were noted in 1,489 cases recorded in the Birmingham region during 1972, and while Buckle and Loung (1971) recorded two deaths in 1,289 cases and Murdoch (1969) estimated the mortality as 2 per 1,000 from a survey of 25,000 cases. this must be compared with 0'58 deaths per 1,000 confinements for women aged over 35 years (Buckle and Loung, 1971).…”