Related Experiment Video
Updated: Aug 14, 2026

Assessment of Sexual Behavior of Male Mice
Published on: March 5, 2020
Ejaculatory pattern in female rats without androgen treatment
Abstract:
Adult female rats receiving long-term estrogen treatment displayed the species-typical motor pattern of ejaculation during copulation. This hormone treatment produced pituitary hypertrophy and concomitant pressure damage to brain areas dorsal to the pituitary, but did not cause clitoral hypertrophy. The demonstration of the ejaculatory pattern in perinatally untreated female rats indicates that the potential for the expression of the ejaculatory or "orgasmic" pattern is not dependent on exogenous androgen at any stage of development and is more widely represented among female mammals than previously believed.
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