Those symptoms include: 1  Shortness of breath or inability to exercise. 2  Swelling (edema) of the feet and lower legs. 3  Fatigue and weakness. 4  Rapid, forceful, uncomfortable or obviously irregular heartbeat (palpitation) 5  Abdominal discomfort such as swelling, pain or nausea. 6  Mental confusion.
*It's important that you enter the 1st day your dog was bred. Assumes a 59-63 day gestation period. If you are reading this well in advance of the due date for your dog, we have several product suggestions from Amazon we would recommend for helping the whelping process go smoothly. The nice thing about Amazon is the free shipping for eligible orders over $25 and the great product reviews from Amazon visitors.
Various other factors can come into play in determining the duration of gestation. For humans, male fetuses normally gestate several days longer than females and multiple pregnancies gestate for a shorter period. Ethnicity may also lengthen or shorten gestation. In dogs there's a positive correlation between gestation time and a small litter size.