Bioidentical Hormones: Advances in Research and What to Ask Your Provider

One of the earliest uses of HRT was documented in an 1897 publication highlighting the use of desiccated ovarian extracts to alleviate vasomotor symptoms. As science evolved, publications emerged describing the extraction of hormones from pregnant female urine (Emmenin®) in 1934 and eventually pregnant mare urine (Premarin®) in 1937 for the therapeutic relief of menopausal symptoms.