 Today we wanted to post a couple of cool ultrasound videos showing the fetal heart beat in utero. (Blue Healer about 50 days pregnant)
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 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  Blink is a 5 year old Domestic Longhaired cat that came to Glenora Family Pet Clinic because he was not doing well for the past one and a half months. He was lethargic, he wasn't eating well anymore and lost a significant amount of weight. His owners remember that he was vomiting , but not for the last 2 weeks. During the exam a large foreign body was palpated in his abdomen. Abdominal X-rays showed a large radiopaque foreign body that looked like a coiled wire. Blink's dad recognized this being part of his headphones cable that the cat must have chewed and swallowed . The wire slowly made it's way through the stomach and part of the small intestine but got stuck in the ileum! Interestingly, Blink was still eating a bit with a large foreign body stuck in his intestine and he stopped vomiting for the last 2 weeks. He was also able to defecate since the coiled cord's diameter was so large and "stuff" was moving through. After the cord was removed in surgery Blink recovered fast and gained back the lost weight. He is now back to beeing his normal self but he is not to be trusted around cables and wires anymore !  |
AuthorNick B Archives
February 2018
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