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Problem with keeping a mare pregnant

Equine-Reproduction.com Bulletin Board » General Mare Questions - Volume 2 » Problem with keeping a mare pregnant « Previous Next »


Author Message
 

Kassie Finley
Breeding Stock
Username: Jkqh

Post Number: 212
Registered: 05-2005
Posted on Thursday, August 03, 2006 - 05:55 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

We have a 14 year old maiden mare. We bred her for the first time ever in March, and she held the pregnancy for 70 days. We rebred her the fallowing cycle with no success. They infused her uterus because there was some fluid after her cycle. So we bred her again and this time we gave progesterone once a week and when we checked her at 14 days the embryo was 3 days behind what it should be, 4 days later we checked again and she lost the pregnancy. So this time we bred her and are giving her progesterone everyday, she was checked at 14 days and was pregnant, and we take her back in again in two weeks to see if she is holding. What is possibly wrong. Is it her age? Or is it just the lack of progesterone? Also if it is the progesterone how long will we need to give it for her the hold the pregnancy? And after she has this foal will it help with futer pregnancy's? thanks
 

Jos
Board Administrator
Username: Admin

Post Number: 953
Registered: 10-1999
Posted on Saturday, August 05, 2006 - 02:24 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

The most common cause of pregnancy loss in the 60-90 day period is endometrial or glandular fibrosis. At this point, if she is pregnant, you cannot perform the required diagnostic to determine that, but if she loses the pregnancy again you might want to have an endometrial biopsy performed prior to rebreeding, and if fibrosis is an issue you can discuss the possibility of a DMSO lavage with your veterinarian, which may have a positive impact in reversing the fibrotic changes somewhat.
 

Jennifer D
Weanling
Username: Jennifer

Post Number: 31
Registered: 08-2005
Posted on Tuesday, August 08, 2006 - 12:01 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Jos is this (endometrial Biopsy) the same one they do on thourough breeding exams?
 

Jos
Board Administrator
Username: Admin

Post Number: 967
Registered: 10-1999
Posted on Tuesday, August 08, 2006 - 01:34 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Yes, but make sure it's an endometrial biopsy you're asking for and getting, and not a culture and cytology.



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