Changes

If this procedure is used '''after 30 days of gestation then the fluid released is more likely to disrupt''' the remaining pregnancy. If both conceptuses have already implanted in the same horn of the uterus, it can be very difficult to crush one without also damaging the other. '''Survival rates fall significantly and progressively after 30 days of gestation. At 30 days, 85%''' of singleton foetuses are carried successfully to term.

If this procedure is used '''after 30 days of gestation then the fluid released is more likely to disrupt''' the remaining pregnancy. If both conceptuses have already implanted in the same horn of the uterus, it can be very difficult to crush one without also damaging the other. '''Survival rates fall significantly and progressively after 30 days of gestation. At 30 days, 85%''' of singleton foetuses are carried successfully to term.

Management after endometrial cup formation at 40 days is obviously very difficult, as it any pregnancy loss at this stage of gestation.  

Management after endometrial cup formation at 40 days is obviously very difficult, as it may cause pregnancy loss at this stage of gestation.  

'''Other possible options for reduction''' of one twin have been used, including dietary restriction, surgical removal, intracardiac injection of potassium chloride and transvaginal allantocentesis but are far less frequently used than manual reduction early in gestation due to lower success rates.

'''Other possible options for reduction''' of one twin have been used, including dietary restriction, surgical removal, intracardiac injection of potassium chloride and transvaginal allantocentesis but are far less frequently used than manual reduction early in gestation due to lower success rates.

Merck Veterinary Manual, '''Management of Reproduction: Horses: Abortion''', accessed online 25/07/2011 at http://www.merckvetmanual.com/mvm/index.jsp?cfile=htm/bc/181607.htm

Merck Veterinary Manual, '''Management of Reproduction: Horses: Abortion''', accessed online 25/07/2011 at http://www.merckvetmanual.com/mvm/index.jsp?cfile=htm/bc/181607.htm

   

   

[[Category:To Do - Manson review]] [[Category: Reproductive Diseases - Horse]]

 

[[Category:Expert Review - Horse]] [[Category: Reproductive Diseases - Horse]]