Page 51 - SONO 260 THE FIRST TRIMESTER
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Small, benign subchorionic hemorrhages can be seen during a routine first-trimester ultrasound examination.
A subchorionic hemorrhage is essentially a bleed between the endometrium and the gestational sac, and therefore may be referred to as a perigestational hemorrhage.
Sonographically, a subchorionic hemorrhage appears as an anechoic, crescent-shaped area adjacent to the gestational sac at the margin of the placenta.
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