Question about a pregnant mare - Page 2

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Question about a pregnant mare

This is a discussion on Question about a pregnant mare within the Horse Breeding forums, part of the Horse Breeds, Breeding, and Genetics category
  • Mare pulls urin in uterus
  • Ultrasound pelvic brim & horse breeding

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    04-30-2012, 03:08 PM
I agree with Mac. If she is far enough along, the foal won't be felt by palpation. Best bet is to get an u/s.
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    04-30-2012, 03:09 PM
I bought her from a trader in November and questioned her size. I thought I felt a kick in late December and finally the vet came in January. He said she was due approximately in May. Then the second vet came last week and said she was not pregnant. The vet did not have her ultra sound with her the other day.
    04-30-2012, 03:10 PM
Thanks, from all the posts, it seems like the us is the best way to go.
    04-30-2012, 03:36 PM
Although we can't tell for sure by pictures...but do you have pics of her by any chance? If she is due in May she should be showing pretty good and possibly bagging....although some mares can trick you and carry high and tight right to the end. Ultrasound would probably be your best bet. Even if she is not pregnant if she is swelling..gaining excessive weight and not being over fed could be a different issue all together!
    05-01-2012, 10:05 PM
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Somewhere between 60 and 90 days the weight of the foal in the uterus pulls the uterus over the pelvic rim into the abdomen. When you palpate a mare from that time until 7 or 8 months (and sometimes longer), the uterus cannot be found. You have to determine pregnancy by feeling the ovaries as they are being pulled down and have taught ligaments that can be felt pulling on them. You also go by the lack of being able to cup your hand over and around the uterus. An empty uterus will be flaccid and easy to get around. You can follow it from one ovary to the other.

Sometime after 7 months (varies from mare to mare) the foal is big enough that you can literally run into it in front of and under the ovaries somewhere. At about 9-10 months, the foals head should be in the birth canal and a person can feel it - hopefully, if it is in the correct position.

I still prefer rectal palpation over ultra-sounding after 25 days. I can sometimes pick up a foal at 22 or 23 days and occasionally it take up to 28 days if the pregnancy is in the body of the uterus instead of one of the horses. US is very useful if you have a double ovulation and you are checking for twins, but I see more mistakes made with one of them than an older Vet that has palpated hundreds of mares. I've been palpating them for about 40 years, so I am very comfortable with it. I have found that many young Vets neverlearn to get very good at it and just depend on US them.

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