Beta-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
- Vaginal Bleeding Pregnant (less than 20wks)
- Ectopic Pregnancy
- Maternal Vitals and Labs in Pregnancy
References
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