Patterns of Sex Steroid Hormones in Nipple Aspirate Fluid during the Menstrual Cycle and after Menopause in Relation to Serum Concentrations

@article{Chatterton2010PatternsOS,
  title={Patterns of Sex Steroid Hormones in Nipple Aspirate Fluid during the Menstrual Cycle and after Menopause in Relation to Serum Concentrations},
  author={R. Chatterton and Seema A. Khan and R. Heinz and D. Ivancic and O. Lee},
  journal={Cancer Epidemiology, Biomarkers \& Prevention},
  year={2010},
  volume={19},
  pages={275 - 279}
}
Previous studies have shown that progesterone concentrations in serum and nipple aspirate fluid (NAF) are significantly correlated in premenopausal women, but estradiol concentrations are not. We therefore sought to ascertain the patterns of both steroids in NAF throughout the menstrual cycle and in postmenopausal women. Simultaneous samples of blood and NAF were obtained from 40 premenopausal and 16 postmenopausal women. Premenopausal samples were backdated from the following menstrual period… Expand
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