Is Blue Cohosh An Emmenagogue?

Is Blue Cohosh An Emmenagogue? Blue cohosh is a traditional remedy for lack of menstruation. It is considered an emmenagogue (agent that stimulates menstrual blood flow) and a uterine tonic. No clinical trials have validated this traditional use. Blue cohosh has been used traditionally for easing painful menstrual periods. Can cohosh cause bleeding? It can