Unfortunately, you needed immediate response to this situation, and by the time this question was detected in our system, we are sure that your emergency is over.
In your circumstance, it is advised to contact a veterinarian immediately. The best way to know whether to be alarmed by a situation is to understand what is normal. For future foaling, review our information about equine parturition at:
Horse Behavior at Foaling Time.
We hope the delivery of your foal was successful and that you consult a veterinarian to ensure the mare has passed her afterbirth due to a difficult and maybe abnormal delivery.
