The most obvious sign your dogs mated is that your female becomes pregnant. If the dam's heat cycle ends, their nipples begin to swell, and they show less interest in food within the first week or two after the suspected mating, contact your veterinarian as there's a strong chance the female dog is now pregnant.
Do all dogs get pregnant every time they mate?
Most dogs, given the opportunity, will end up mating when the female is in heat. A whopping 40% of female dogs will fall pregnant after just one mating session! That incredibly high number means you are at considerable risk of having a litter of unwanted puppies if you are not careful.
How long after a dog mates can you tell if it is pregnant?
Your veterinarian can do a ultrasound scan as early as three weeks after mating to determine if your dog is pregnant. An ultrasound can detect fetal heartbeats, thus your veterinarian may the estimate the number of puppies your dog is carrying.
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