A gastational sac...
A gastational sac with 2 yolk sacs.
Modality: Ultrasound (Transverse)

- “ Findings suggest twin pregnancy of monochorionic diamniotic (MCDA) type.  Although the intertwin membrane is not clearly seen, the presence of two...”

Used in the following article:

  • Monochorionic diamniotic twin pregnancy - “ A monochorionic diamniotic (MCDA) twin pregnancy is a subtype of monozygotic twin pregnancy. These fetuses share a single chorionic sac but have t...”
  • Yolk sac - “ Yolk sac is the first anatomical structure identified within the gestational sac. It plays a critical role in embryonal development by providing n...”

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