Intracavitary sac seen in positorer early pregnancy scan means
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The gestational sac is the first structure physicians look for with an early ultrasound. When it is present (at between 3 and 5 weeks gestation), it can be a positive sign. That said, sometimes a gestational sac is seenbut is found to be empty, without evidence of an embryo by 6 weeks gestation.
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- ➫ It may also be called disappearing twin syndrome. An early ultrasound might detect two gestational sacs, but later on, only one fetal heartbeat is detectable and the second sac has disappeared. Or, in a subsequent ultrasound, one normally developing baby is present alongside a blighted ovum.
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