THE MERCK VETERINARY MANUALmultimedia

Location(s)

  • Abortion in Horses
  • Sonogram of cervical star region of chorioallantois, mare

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    Sonogram of cervical star region of chorioallantois, mare

    In late gestation, the combined thickness of the uteroplacental unit should be ≤12 mm. Placentitis, uteroplacental edema, or placental separation may cause this measurement to be >12 mm.

    Courtesy of Dr. Patricia Sertich.

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