THE MERCK VETERINARY MANUALmultimedia

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  • Pregnancy Determination in Horses
  • Sonogram of 44-day conceptus, mare

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    Sonogram of 44-day conceptus, mare

    By 45 days of gestation, the entire anechoic space is allantoic cavity, and the fetus rests on the ventral aspect of the conceptus suspended by the umbilical cord.

    Courtesy of Dr. Patricia Sertich.

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