Sentences with phrase «failed pregnancy before»
They argue that the fate of an embryo depends on the way the egg organizes itself, and that polarity in the egg can ordain either a successful or failed pregnancy before conception.
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«Caring pet providers who do not want to allow the nearly inevitable, unplanned and unwanted pregnancy to occur must request the fail - safe spay before the predictable breeding season arrives,» says veterinarian W. Marvin Mackie, D.V.M., retired.