“…3 Medical personnel in Sri Lanka performed 6,000 procedures in 1979, 51,000 in 1980 and 29,000 in 1981.4 Vasectomies in Thailand totaled 19,000 in 1977 and 44,000 in 1978, but declined to 28,000 by 1981. 5 The reasons for the year-to-year variations in numbers of procedures are not always known, but the introduction of simplified female sterilization procedures, fluctuating government policies and erratic funding for vasectomy programs are frequently cited. Thailand, for example, boosted its vasectomy total by introducing mobile operating units that traveled into rural areas to perform male sterilizations.…”