The thing that makes wild yams effective for certain conditions is the fact that it is considered an antispasmodic. This means that it is capable of relieving spasms including those in the intestines or those brought on by menstrual cramps. The most common wild yam benefits include those that are related to female complications. The antispasmodic property helps with menstrual cramps. It is also used for nausea during pregnancy. In general, it is a good tonic for the female system because it can help balance out the hormones.