Here, then are Kepler's Three Laws of Planetary Motion: Kepler's first law states all planets move in elliptical orbits with the Sun at one focus and the other focus empty. Applied to Earth satellites, the center of the Earth becomes one focus, with the other focus empty. For circular orbits, the two foci coincide.
Asker's rating. Report Abuse. If the dog has been bred at the right time of her cycle, she gets pregnant immediately and the pregnancy lasts around 61 days, give or take 3-5 days. Most dogs go into season twice a year and are fertile for about a week in the middle of a 3 week heat period. Source(s): DVM 29 years. angeloneus Â· 4 years ago. Thumbs up.
Best Answer. In most dogs, the gestation period averages about 60 days. Dogs can give birth as early as 56 days into their pregnancy or as late as 68 days into it. You may also want to discuss this with your vet. If your dog is pregnant, she needs vet care prior to giving birth and definitely after. Her nutritional needs will change through pregnancy and when she is lactating.