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A 20-year-old female asked:

6 week ultrasound it showed 1 gestational sac with 2 yolk sacs one measuring smaller than the other with only 1 heart beat. at 8 weeks there was 1?

1 doctor answer2 doctors weighed in
Dr. Paxton Daniel
Radiology 34 years experience
Sounds like: A very early twin gestation with one nonviable embryo. From what you provide, the surviving embryo is well. Take heart, get good prenatal care, and get a followup ultrasound if your OB advises so.
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Last updated Jun 10, 2014

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