While breeding my mare AI, the vet noticed she had a torn cervix per the report: Cervical tear at the 4 position about 1.5 inches long (only on caudal cervix).
My regular vet came today and confirmed mare is pregnant(17 days)and pulled blood for a progesterone level. My question is if her progesterone level is 4 or above, do we just stop the Regumate, or should I keep her on it until 40 days? I do not have further instructions from the repro vet other than to keep her on it until the progesterone level comes back.
I will call them on Monday (it is Saturday) but in the interim, I haven't found any information addressing this sort of situation; I certainly do not want to compromise this pregnancy but I also have no desire to keep her on a drug that is not necessary. Any insight is greatly appreciated!
The trouble with this is there isn't an easy answer unless you know what the degree of tear damage is in the cervix.
If the damage is significant enough that it is going to compromise cervical integrity, then you probably should have her on it the whole way through pregnancy.
If the tear is not significant enough to compromise cervical integrity, then you shouldn't have put her on it in the first place.
You should also discuss the impact the damage and scarring is going to have on the foaling situation, as significant scarring of the cervix can present issues at foaling time, as typically, the cervix will tear again next to the scar tissue, as there is a lack of elasticity because of the scar tissue.
I will talk with the repro vet on Monday and get these questions answered. I suspect the tear was not that significant since the repro vet just made a note of it on my invoice/report and hadn't mentioned it when she called me earlier in the morning (but, she had spent the night at the clinic in order to breed my mare), and my regular vet was not too worried either.
BUT, we bred this mare for the first time last year - it was our first breeding experience and she was a maiden - and we lost the foal at 8 days due to respiratory problems that we never did find out the cause of - and so I think both vets are being over-cautious with me because of the devastating loss. I also had told the repro vet that I would give it 1 shot to rebreed (I had a single dose left) and this would be it, and now with the cervical tear, I will not breed her again. The foal was enormous and a little shoulder locked so no doubt that caused the tear. I am not a breeder and just wanted one foal from my fabulous mare and everyone involved knows that, so hopefully all are just being over cautious.
Anyhow, I appreciate your response and will update the thread when I have more info from my vet. Thanks again!
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