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.
The gestation periods of other animal reveals that the length of the gestation period is largely a matter of the animal specie's size. Asian elephants have a gestation period of 645 days and African elephants 640 days. Dogs and other canines have a gestation period of about 60, which is also the period for cats.Even within the species of apes and monkeys gestation period seem to be a matter of size.he gestation period of humans is 266 days, 8 days short of nine months. Many such biological characteristics have an explanation in terms evolutionary survival value. Even some seemingly cultural characteristics of human society have such a biological explanation.