Hello & welcome, I am Dr. B, a licensed veterinarian and I would like to help you with today. I do apologize that your question was not answered before. Different experts come online at various times; I just came online, read about your wee one’s situation, and wanted to help.
Again I do apologize that my colleagues could not aid you sooner, but can you tell me:
Did the dog pick Luna up and shake her?
Has the bleeding subsided?
Are her gums pink or pale/white?
Can you take a breathing rate for me (just count her breaths for 10 seconds + multiply that by 6)?
If you press on her belly, does she have any discomfort, distension, tenderness, or tensing?
Any bone instability or crunching in any limbs?