What would be the effect on age-specific incidence rates of uterine cancer if women with hysterectomies were excluded from the denominator of the calculations, assuming that there are some women in...

What would be the effect on age-specific incidence rates of uterine cancer if women with hysterectomies were excluded from the denominator of the calculations, assuming that there are some women in each age group who have had hysterectomies?

a. The rates would remain the same

b. The rates would tend to decrease

c. The rates would tend to increase

d. The rates would increase in older groups and decrease in younger groups

e. It cannot be determined whether the rates would increase or decrease.