Hello I am Dr. Joey. Thanks for trusting me to help you and your pet today. I am a licensed veterinarian with over 15 years of experience. I look forward to working with you.
The production of milk and/or secretion from the nipples (mammary glands) can occur up to 14 days prior to delivery. Therefore, it is not a great indicator of when delivery will occur.
Other indications delivery is imminent is nesting behavior will increase in the 24-48 hours prior and rectal temperature will fall 1-3 degrees prior to delivery (10-12 hours prior).
To get a good idea of the stage of the puppies (and how many) an xray and ultrasound are needed to be done by your vet.
Please let me know your questions.
This type of behavior changes unfortunately are not very specific to indicate timing and can occur for a week prior to delivery. If you see true spasms (contractions) of her abdomen, then she is within 12-24 hours of delivery.
Please let me know if you have any further questions.
Then, just monitor for now. Try to encourage her to rest. Please keep me posted.
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