- Squaw Vine is reputed to encourage an easy labour by aiding contraction of the womb during childbirth. It can also be tried to help support dysmenorrhoea and other painful complaints of the female reproductive tract. It also has a calming effect on the nervous system and, in addition, can help maintain the digestion. The primary chemical constituents of Squaw Vine include alkaloids, glycosides, saponins, mucilage, and tannins. As an astringent, it has been used in supporting digestive tract he