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Disease Description
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Prolapse of the uterus invariably occurs immediately after or within several hours of parturition, when the cervix is open and the uterus lacks tone. Prolapse of the postgravid uterine horn usually is complete in cows, and the mass of uterus usually hangs below the hocks. The invagination of the contralateral horn, which is prevented from exteriorization by the strong intercornual ligament, can be located by careful examination of the surface of the prolapsed organ. In sows, one horn may become everted while unborn piglets in the other prevent further prolapse. In small animals, complete prolapse of both uterine horns is usual. A contributory cause in sheep may be grazing estrogenic pastures. https://www.msdvetmanual.com/reproductive-system/uterine-prolapse-and-eversion/overview-of-uterine-prolapse-and-eversion
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