If you know when she was bred, then you can estimate the due date. The gestation period is approx. 63 days, give or take a day or two from the date of insemination.
Usually the females body temperature will drop below 99 deg. twenty four hours or so before she is due to deliver the pups. You can check this using a rectal thermometer.
She will began to nest. Looking for a quiet place in your house. You should provide her with a whelping box in a quiet area.
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