Beta-HCG

(Redirected from B-HCG)

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

Repeat B-hCG Levels

Pregnancy Type B-hCG Change
Normal Increase >53% in 48hrs (until 10,000 mIU/ml)

(This increase depends on the initial value. <1500 --> 50% inc, 1500-3000 --> 40% inc, > 3000 --> 30% inc)

Ectopic Increases or decreases slowly ("plateau")^
Miscarriage Decreases >20% in 48 hrs

^Initial level CANNOT be used to rule-out ectopic

See Also

References

Authors:

Ross Donaldson