A 4-yr-old female golden lion tamarin (Leontopithecus rosalia) had placental retention after delivery of a stillborn fetus. Conservative therapy with oxytocin and dinoprost tromethamine did not result in placental expulsion and ovariohysterectomy was performed. Placental retention is a rare condition in humans and has not been well documented in non-human primates.
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Bronson et al. (2005) studied this question.
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