 Although menstrual extraction is technically similar to manual vacuum aspiration (MVA) and menstrual regulation (MR), it is a unique form because it is not medicalized.It originated in the feminist self-help movement and it is performed by small groups of women where the person getting a ME has complete control over the procedure.Menstrual extraction "minimiz[es]... power differentials between providers and receivers... [which] stands in direct contrast to [MVA and MR]."