Abstract
Summary
The effects of sham operation, bilateral ligature of blood vessels joining the uterus to the ovary, and hysterectomy were determined on the length of pseudopregnancy in rats. Hysterectomy or bilateral ligature of blood vessels joining the uterus to the ovary significantly increased the length of pseudo-pregnancy when compared to sham-operated controls. These results indicate that the circulation between the uterus and ovaries is important in local control of luteal lifespan in the rat.
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