English: Transvaginal ultrasound showing a gestational sac (whose fluid is displayed as darker), with an embryo in its upper left part with a visible heartbeat. The size of the embryo is measured to be 1.6mm and the mean gestational sac diameter 8.8mm, conferring a gestational age of 5 weeks and 1 day. The larger structure seen in the gestational sac is the yolk sac.
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{{Information |Description ={{en|1=Transvaginal ultrasound showing a gestational sac (whose fluid is displayed as darker), with an embryo in its upper left part with a visible heartbeat. The si...