Twin pregnancies

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7 Terms

1
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In horses twin pregnancies often fail due to __________ placentation

diffuse

2
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usually twins occurs from two ovulations that were either __________ or _______________

  • synchronous

  • asynchronous


3
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What are the common results of twin pregnancy in a mare

  • spontaneous reduction to singleton pregnancy

  • abortion of both

  • dystocia

  • still born or weak foal


4
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Mare embryos get fixed in a horn at day _______

16

5
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If the embryos are asynchronous and get stuck in the same horn what are the chances of either of them reducing to a singleton

100%

6
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If the embryos get stuck in bilateral horn ______ is not expected

natural reduction

7
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If suspecting twins it is better to treat the mare before _______ because that is when _____________

  • 16 days

  • embryos fix