Question 154 · LEK · Multiple pregnancy
Finding the lambda sign on ultrasound examination in a patient at 9 week of gestation allows diagnosing:
- A. missed miscarriage.
- B. monoamniotic twin pregnancy.
- C. monozygotic twin pregnancy.
- D. singleton pregnancy.
- E. dichorionic twin pregnancy.
Hint
The lambda (twin peak) sign reflects chorionic tissue extending between two layers of the dividing membrane.
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