Efficacy and safety of myrrh in patients with incomplete abortion: a randomized, double-blind, placebo-controlled clinical study.

Background: Myrrh (Commiphora myrrha (Nees) Engl.) has a long history of traditional use as a herbal medicine for different purposes. In ancient traditional Persian manuscripts, it has been noted that myrrh may act as uterine stimulant and probably cause complete abortion.