Orgasmic Expulsions of Fluid in the Sexually Stimulated Female

This is the original film of the early research on the “G spot.”
What accounts for the fluid expelled from the female’s urethra and described by some lab technicians (uninformed of its origin) as "semen without sperm”? The film depicts the event, describes the Gräfenberg Spot (felt through the anterior wall of the vagina and which, when stimulated, seems to trigger orgasm in some women), shows how to find the Gräfenberg Spot, and discusses the embarrassment felt by some women who mistakenly believed they urinate during orgasm. The fluid expelled in this film was not analyzed and is in greater quantity than fluid that was analyzed and found to be statistically significantly different from urine in chemical composition. The film examines preliminary evidence of the existence of, at the time of the filming, a yet-to-be fully explained sexual function and/or anatomical feature.