The effect of hysterectomy on hormone-induced lordosis behavior in hamsters
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This study investigated how hysterectomy impacts hormone-induced lordosis behavior in hamsters, observing the effects on their display of this mating posture.
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Abstract
Ovariectomized-hysterectomized (OH) and ovariectomized-sham hysterectomized (OSH) hamsters were tested for lordosis behavior following treatments including either 1, 5, or 10 micrograms estradiol benzoate (EB) in combination with 0.1, 0.25, and 0.5 mg progesterone. Few animals responded at the 1 microgram dose of EB and there were no differences in latency to the first display of lordosis or in the total lordosis duration among responding animals in the 5 and 10 micrograms EB groups. However, there was significantly more positive tests in the OSH group injected with 5 micrograms EB than in the OH group and this difference approached statistical significance in the 10 micrograms EB groups. The results are compared to similar studies in rats and possible mechanisms for the effects of hysterectomy are discussed.
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References (8)
- Estrogen-induced maternal behavior in hysterectomized-ovariectomized virgin rats via openalex
- Hysterectomy-induced facilitation of lordosis behavior in the rat via openalex
- Prostaglandin E2-induced lordosis in estrogen-primed female hamsters: Relationship to progesterone action via openalex
- W2074233101 via openalex
- W1653689269 via openalex
- W2090532762 via openalex
- W2010033349 via openalex
- W2054635235 via openalex
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