The aim of the present study was to evaluate the efficacy of an herbal tincture for
treatment of retained placenta. The herbal tincture was extracted from a combination of
Herba Leonuri, Angelicae Sinensis Radix, Flos Carthami, Myrrha and Rhizoma Cyperi by percolation with 70% ethanol to a concentration of 0.5 g crude herb/ml.