United Kingdom
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 answer • 2 doctors weighed in
Dr. Alfredo Nievesanswered
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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4.5k viewsReviewed >2 years ago
Last updated Jun 17, 2018
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