Pregnancy blocking in the vole, Microtus agrestis. II. Ovarian, uterine and vaginal changes
Milligan, S.R.
Journal of Reproduction and Fertility 46(1): 97-100
1976
ISSN/ISBN: 0022-4251 PMID: 775074 Document Number: 428660
Pregnancy blocking in the vole was associated with a rapid degeneration of corpora lutea, growth of follicles, a loss of embryos and return of the uterus to its non-pregnant state, and a return to cornified vaginal smears. These results are discussed in relation to the proposal that the immediate cause of pregnancy block is a failure of prolactin secretion resulting in a failure of corpus luteum function.
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