Hypogonadism; Estradiol; Assays; Lcms/ias

https://endo2026.endocrine.org/searchGlobal.asp Background Exogenous estradiol (E2) may be prescribed for transgender females and menopausal women. Automated E2 immunoassays are widely used but bias often exists when compared to mass spectrometry (LC-MS) methods. Lack of assay...