The occurrence of sperm anti-agglutinic substances in the posterior urethra and in the urine of normally menstruating women.
D001826:Body Fluids; D005260:Female; D006801:Humans; D008297:Male; D008598:Menstruation / Q000652:urine*; D013094:Spermatozoa; D014521:Urethra / Q000502:physiology*; D014556:Urine
MENSTRUATION/urine in; SPERMATOZOA; URETHRA/physiology; URINE