diestrus

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Related to Dioestrus: polyoestrous, anoestrus

diestrus

[dī′es·trəs]
(physiology)
The long, quiescent period following ovulation in the estrous cycle in mammals; the stage in which the uterus prepares for the reception of a fertilized ovum.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Ill Pregnancy rates after a post-insemination injection during metaestrus u dioestrus. Anim.
While trying to find what causes a mare's uterus to recognise that it is pregnant, they infused a group of mares with a preparation containing estrogen in an oil solution, and found that nearly all the mares went into dioestrus, or a period of not cycling.
To their surprise, 90 per cent of the mares again went into dioestrus. Other types of vegetable oil proved to have the same effect.