In vitro effect of hyoscine-N-butyl bromide and diclofenac sodium in human tuba uterina.

The in vitro relaxant effect of diclofenac sodium on the fallopian tube is similar to hyoscine-N-butyl bromide. Diclofenac may have the potential to be used as an alternative to hyoscine-N-butyl bromide in premedication in HSG.