Beta-HCG

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Chart

Levels over Time
Week Minimum Maximum
3 0 5
4 5 426
5 18 7,340
6 1,080 56,500
7-8 7,650 229,000
9-12 25,700 288,000
13-16 13,300 254,000
17-24 4,060 165,400
25-birth 3,640 117,000
4-6 post NA <5

Repeat Levels

  • Normal pregnancy
    • B-hCG should increase >53% in 48hrs (until 10,000 mIU/ml)
  • Ectopic pregnancy
    • B-hCG increases or decreases slowly ("plateau")^
  • Miscarriage
    • B-hCG decreases >20% in 48 hrs

^Initial level CANNOT be used to rule-out ectopic

See Also

References