A member asked:

Scan @ 5+1 one sac with yolk etc but had another sac of fluid could it be twins? and one implanted later then other,& that's why 2nd wasn't visible

2 doctors weighed in across 2 answers

Dr. Harold Fields answered

Sac: An empty sac is probably not a viable pregnancy but wait and see what your next ultrasound shows

Answered 10/13/2015

2.2k views

Possible: Could be twins, but not later implantation. Either they did not see the second sac right away because of the early gestation, or they misinterpreted the extra embryonic coelom as a second sac.

Answered 10/13/2015

2.2k views

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A member asked:

Scan @ 5+1 one sac with yolk etc but had another sac of fluid could it be twins? and one implanted later then other,& that's why 2nd wasn't visible

2 doctors weighed in across 2 answers

Dr. Harold Fields answered

Dr. Peter Baumann answered

Related Questions

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7.5 wk preg. Gest sac w 2 round yolk sacs but only 1 other mass w 1 hrtbt. Dr says maybe twins! confirm in 2 wks. Is this possible/do u agree? Explain

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Is it possible at 6wks and 6 days for the sonographer to mistaken a yolk sac for a twin? I can upload a photo. Many thanks

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After my IVF transfer (1 PGS normal embryo) I had an early scan at 5w4d, but gestational sac was measuring only 5.4mm with no yolk sac or fetal pole. Im going back one week later when I will be 6w5d, so what should I expect to see? Will I miscarry?

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