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1396 Abortion: Diagnostic Approach
Abortion: Diagnostic Approach
VetBooks.ir Is there evidence of abortion?
Yes No
Determine the Brucella canis status
If positive, the bitch should be Pregnancy is confirmed Pregnancy is not
surgically sterilized and but bitch failed to whelp confirmed and bitch
quarantined indefinitely from (embryonic resorption) did not whelp
other breeding animals
Is the bitch clinically Perform gross and histologic Does the bitch have a Bitch is not pregnant
normal? examination on fetal and/or history of abortion with or embryonic
placental tissues previous pregnancies? resorption
Yes No
Petechial subcapsular
Was the bitch treated with hemorrhages in kidneys with If yes, rule out canine If yes, rule out
an abortifacient? intracytoplasmic inclusion herpesvirus using maternal premature luteal
Corticosteroids, bodies are pathognomonic serologic titers and/or failure
dopamine agonists (prolactin for canine herpesvirus evidence of fetal lesions (hypoluteodism)
inhibitors), progesterone-
receptor blockers, or
prostaglandins will result in
abortion
Rule out other systemic (nonreproductive) During a subsequent pregnancy,
diseases that produce fever or endotoxemia monitor serum (progesterone)
(e.g., pancreatitis, Salmonella sp.); will cause weekly and supplement with
decreased uterine blood flow, fetal death, and/or progestin if serum (progesterone)
premature luteal failure is 2 ng/mL
Rule out metritis if abnormal Perform guarded cranial vaginal culture,
discharge is present and treat with appropriate antibiotics
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