Dong Quai, otherwise known as Angelica Sinensis, has been used traditionally for a variety of reproductive imbalances. It is considered a utero-tonic that nourishes the liver to help build healthy blood. It's emmenegogic properties have been known to help bring on delayed menses as well as regulate regulate hormonal imbalances with its adaptogenic properties. 
 
Its warming properties, stimulate blood flow to the uterus aiding in postpartum healing time and strengthening the reproductive organs. Dong Quai has also been used to prevent and stop postpartum hemmorhaging.