Template:Repeat B-hCG levels

Repeat B-hCG Levels

Pregnancy Type B-hCG Change
Normal
  • Increase >53% in 48hrs (until 10,000 mIU/ml)
  • Depends on the initial value:
    • <1500 --> 50% increase
    • 1500-3000 --> 40% increase
    • > 3000 --> 30% increase
Ectopic
  • Increases or decreases slowly ("plateau")^
Miscarriage
  • Decreases >20% in 48 hrs

^Initial level CANNOT be used to rule-out ectopic