You do need to get her checked out by your vet asap as there are issues and concerns to be worried about. Infection and other serious complication are a concern with miscarriage (also that it's a result of STD if you didn't test) and also if you didn't confirm pregnancy at the veterinarian a uterine infection (potentially deadly) instead of pregnancy depending on what you are seeing can also be a concern. You just have to head on into the vet to have any idea of what you need to do, what may be going on and for her health and safety. Hope she is okay and good luck.
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