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hCG Blood Serum Levels in Early Pregnancy
Values for successful singleton pregnancies.
| Days past ovulation/conception | Average | High | Low |
| 8 | 6 | estimated | estimated |
| 10 | 12 | estimated | estimated |
| 12 | 24 | estimated | estimated |
| 14 | 48 | 147 | 17 |
| 15 | 59 | 147 | 17 |
| 16 | 95 | 223 | 33 |
| 17 | 132 | 429 | 17 |
| 18 | 292 | 758 | 70 |
| 19 | 303 | 514 | 111 |
| 20 | 522 | 1690 | 135 |
| 21 | 1061 | 4130 | 324 |
| 22 | 1287 | 3279 | 185 |
| 23 | 2034 | 4660 | 506 |
| 24 | 2637 | 10000 | 540 |
Your own values may vary, check with your physician.
Even though you might be pregnant and have an hCG beta of 50, urine tests still may not be positive because urine levels of hCG antibodies (what is detected in pregnancy tests) rise slower.
