Triplet pregnancy

Case contributed by Alexandra Stanislavsky
Diagnosis certain


Amenorrhea for approximately 2 months.

Patient Data

Age: 25 years
Gender: Female

Fetus A and Fetus B share the same gestational sac, with no intervening membrane visualized. However two separate yolk sacs are present, and this is highly suggestive of a monochorionic diamniotic gestation.

Fetus C is in a separate gestational sac, and is hence the dichorionic diamniotic sibling of Fetuses A and B.

Gestational age 6 weeks and 1 day.

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