She might get up if she is watered and fed. For future reference you can get a calf puller which you can brace against her hind legs and start winching the calf out if he's loaded properly with nose and front hooves coming. The device is a few feet long so once you get him started you can leverage down against the cow's hind legs and the calf pulls out in a more natural downward slant lessening the chance of injury to the cow. Valleyvet.com or medical-tools.com might have what you need. Just get it out and make sure you know how to use it before you need it.

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Jesus: "Take heed that no man deceive you."
Hebrew Roots Judaizer