What term refers to the visualization of the amniotic cavity without the presence of an embryo?

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Multiple Choice

What term refers to the visualization of the amniotic cavity without the presence of an embryo?

Explanation:
When you see the amniotic cavity on ultrasound but there is no embryo present, this is described as the empty amnion sign. The amnion is the membrane surrounding the amniotic fluid inside the gestational sac, so visualizing that cavity without an accompanying embryo points to anembryonic gestation (a nonviable pregnancy). The other terms refer to the embryo or the sac itself, not to the specific appearance of an amniotic cavity lacking an embryo, so they don’t fit this scenario.

When you see the amniotic cavity on ultrasound but there is no embryo present, this is described as the empty amnion sign. The amnion is the membrane surrounding the amniotic fluid inside the gestational sac, so visualizing that cavity without an accompanying embryo points to anembryonic gestation (a nonviable pregnancy). The other terms refer to the embryo or the sac itself, not to the specific appearance of an amniotic cavity lacking an embryo, so they don’t fit this scenario.

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