![]() The duration of the gestation in dogs is 57-70 days from breeding and about 61-64 days in cats. Abdominal palpation may detect uterine swellings between days 20-13 of gestation. Abdominal radiography can detect fetal skeletones 42-45 days of gestation and the number of fetuses can be counted. Radiographs are also useful to predict problems at parturition (dystocia). Transabdominal ultrasound is the most informative method to confirm pregnancy. Ultrasonography can usually detect the fetal vesicles between 16-20 days of gestation. If a definitive diagnosis cannot be made, a reevaluation may be warranted in 1-2 weeks. The fetal heart beat and embryo can be detected via ultrasonography at days 23-25 days and fetal movement at 34-36 days. If the time of breeding is known, pregnancy can usually be rulled out 30-33 days of breeding in dogs and 15-20 days after the last breeding in cats. based on the negative ultrasonographic examination. No routine blood or urine tests are available for the pregnancy diagnosis in dogs. At this time, abdominal ultrasound is the tool that establishes the diagnosis of pregnancy the earliest. References: Canine and Feline Endocrinology and Reproduction, 2nd edition,Feldman and Nelson Atlas of Small Animal Ultrasonography, 2nd Edition, Pennick and d'Anjou Clinical Veterinary Advisor Dogs and Cats, 2nd edition, Cote
7 Comments
3/1/2021 21:06:06
Thank you for sharing that an ultrasound for pets is used to determine if our pets are pregnant. My daughter suspects that our family cat may be pregnant. I will look for a veterinary clinic that can do an ultrasound to check for pregnancy.
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3/26/2021 13:21:34
I had no idea that you could get a transabdominal ultrasound done for your pet when they are pregnant. My wife and I have been looking into becoming dog breeders. If we do, we'll find a veterinarian who has experience with this and then make a schedule with them.
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3/31/2021 01:31:34
I appreciated it when this article shared that transabdominal ultrasound can be a great way to confirm the pregnancy of your pet. My friend just mentioned the other day that she is worried about her cat who has been sleeping all day long instead of being active as how she used to before. I will suggest to her doing an ultrasound at a reliable vet clinic in order to identify if she is pregnant or not.
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February 2018
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