Determination of estradiol and progesterone concentrations in human scalp hair

Background: The major limitation of blood hormone measurements is the rapid daily concentration fluctuations. However, hair hormone measurement may provide an information on chronic body hormone exposure. Objective: The aim of the current study is to determine concentration of estradiol (E) and progesterone (P) in scalp hair of pre and postmenopausal women, using the widely used commercial immunoassay, which is also in use to detect serum E and...