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Hysterectomies in the United States

Abstract

The most frequently performed major surgical procedure in the United States over the 20-year period 1965-84 was hysterectomy. It was done on 12.5 million women in the United States during this time; and by 1985, about 18.5 million women age 15 years and over in the United States had undergone the procedure. Within the United States, there are regional variations in hysterectomy rates. Women in the South were more likely than women in other regions to have had a hysterectomy, and hysterectomy was more likely to be performed on these women at an earlier age. The average length of stay for all hospital inpatients has decreased from 1965 through 1984; but for women who had a hysterectomy, the reduction in average length of stay has been dramatic-ffom 12.2 days in 1965 to 7.2 in 1984. Women were most likely to have had a hysterectomy during their 30’s and 40’s; with the median at 40.9 years. By 1985, 37.4 percent of women 55-59 years of age had had their uterus removed. Fibroids, prolapse, and endometriosis were the most common reasons for these women to have had a hysterectomy, accounting for about 62 percent of all hysterectomies fi-om 1970 through 1984. Cancer, the greatest life threatening condition leading to hysterectomy, accounted for an additional 10.7 percent. Even though the most common diagnosis for hysterectomy was fibriods, the rate of hysterectomy for endometriosis showed the largest overall increase. From 1965 through 1984, the number and rate of hysterectomies for endometriosis have increased. Prolapse was the only condition for hysterectomy that declined in frequency. Fibroids, endometriosis, and prolapse accounted for most hysterectomies for women under 65 years of age, 63 percent, but cancer and prolapse accounted for a majority in older women, about 74 percent. Most recent estimates from 1982 through 1984 show an increase in the rate of hysterectomies for cancer in women 65 years of age and over. As this report was being completed, data from the 1985 NHDS became available The estimated number of hysterectomies in 1985 was 670,000 (NCHS, 1986).

Key takeaways

  • Using an imputed value of 507,000 hysterectomies in 1969 (the average of 1968 and 1970), approximately 12.2 million women had a hysterectomy in non-Federal hospitals during this 20-year span.
  • About 19 percent of hysterectomies were for women aged 50-69 years, another 12 percent for women under 30 years; and 4 percent for women 70 years and over.
  • In 1960,94.2 percent of women aged 30-34 years had not had a hysterectomy by 1970 these women were 40-44 years of age, and 82.6 percent of them still had intact uteri.
  • Although second in frequenq overall, prolapse was the most common indication for hysterectomy in older women, accounting for 30.1 percent of all hysterectomies for women 55-64 and for 41.2 percent for women 65 years of age or over (table 10).
  • Fibroids, prolapse, and endometriosis were the most common reasons for these women to have had a hysterectomy, accounting for about 62 percent of all hysterectomies fi-om 1970 through 1984.