​The Q'eqchi' Maya of Belize have an extensive pharmacopoeia of medicinal plants used traditionally for reproductive health and fertility, utilizing more than 60 plant species for these health treatments. Ten species were selected for investigation of their estrogenic activity using a reporter gene assay. Nine of the species were estrogenic, four of the species were also antiestrogenic, and two of the extracts were cytotoxic to the MCF-7 breast cancer cell line. Women's healing traditions are being lost in the Q'eqchi' communities of Belize at an accelerated rate, due to a combination...