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. 1980 Jun 27;208(4451):1477-9.
doi: 10.1126/science.7384791.

Behavioral and physiological evidence of sexual climax in the female stump-tailed macaque (Macaca arctoides)

D A Goldfoot, H Westerborg-van Loon, W Groeneveld, A K Slob

Behavioral and physiological evidence of sexual climax in the female stump-tailed macaque (Macaca arctoides)

D A Goldfoot et al. Science. .

Abstract

Intense tonic/clonic uterine contractions and sudden increases in heart rate coincided with the behavioral homolog of a male ejaculatory response (minus seminal emission) in a normal female stump-tailed macaque engaged in homosexual mounting episodes. The behavioral patterns were also observed in four of ten females during 5 to 40 percent of heterosexual copulations. These observations demonstrate the existence of an orgasmic response in a nonhuman primate.

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