Ultrasound: Pelvic

Background

Definite IUP = gestational sac containing yolk sac

    • Occurs ~5.5th week
  • B-HCG below Discriminatory Zone = <1,500-3,000 mIU/ml
  • Consider Transabd US for IUP: >6000 mIU/ml

Diagnostic Algorithm

See Ectopic Pregnancy

See Also

Source

  • Sonoguide
  • Barnhart KT. Ectopic Pregnancy [clinical practice]. N Engl J Med. 2009;361(4):379-387.