OXT and Dysmenorrhea: Ye et al. [34] confirmed that herb-partitioned moxibustion at the Mingmen (GV4) acupoint in treating dysmenorrhea model rats could reduce the expression of OT and AVP (P < 0.05) and simultaneously regulate the expressions of PGF2α, PGF2α-R, PGE2, and PGE2-R (P < 0.05).