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A 31-year-old female asked:

What does it mean when you have had an early scan and they can see two sacks but only 1 fetal heart beat?

1 doctor answer2 doctors weighed in
Dr. Alfredo Nieves
Gynecology 42 years experience
Vanishing twin: You may have a twin pregnancy and is too early to see both heart beats, or you could have what its called a vanishing twin. The second sac is a non viable pregnancy and most likely absorbed. Your doctor will re evaluate with serial ultrasound to ascertain health of the pregnancy.
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Last updated Jun 17, 2018


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