Serum oestrogen levels in postmenopausal women: comparison of American whites and Japanese in Japan.

@article{Shimizu1990SerumOL,
  title={Serum oestrogen levels in postmenopausal women: comparison of American whites and Japanese in Japan.},
  author={Hiroyuki Shimizu and R K Ronald K Ross and Leslie Bernstein and Malcolm C. Pike and Brian E. Henderson},
  journal={British Journal of Cancer},
  year={1990},
  volume={62},
  pages={451 - 453}
}
Serum oestrone (E1), oestradiol (E2) and sex hormone binding globulin (SHBG) levels were studied in postmenopausal Japanese women in Japan (n = 91) and postmenopausal American white women (n = 38). The Japanese women were deliberately chosen to be from a rural agricultural area in order to get samples which represent as closely as possible the traditional Japanese 'lifestyle' that gave rise to the low rates of breast cancer in Japan. E1 levels were 47%, and E2 levels 36%, greater in the… CONTINUE READING