| Days Past Ovulation (What is this?) | Median HCG Level | Lowest HCG Level Reported | Highest HCG Level Reported | Number of women reporting a number for this day |
|---|---|---|---|---|
| 10 | 19 | 14 | 264 | 7 |
| 11 | 34 | 8 | 361 | 34 |
| 12 | 57 | 3 | 494 | 84 |
| 13 | 90 | 7 | 961 | 189 |
| 14 | 135 | 9 | 1666 | 430 |
| 15 | 199 | 4 | 1469 | 938 |
| 16 | 305 | 9 | 2419 | 1269 |
| 17 | 438 | 8 | 3200 | 1389 |
| 18 | 656 | 12 | 3977 | 1431 |
| 19 | 979 | 18 | 7401 | 1436 |
| 20 | 1395 | 15 | 14683 | 1364 |
| 21 | 1970 | 11 | 19591 | 1232 |
| 22 | 2626 | 9 | 27865 | 1075 |
| 23 | 3504 | 109 | 35063 | 964 |
| 24 | 4637 | 169 | 44122 | 812 |
| 25 | 5963 | 200 | 55521 | 675 |
| 26 | 7629 | 219 | 69865 | 554 |
| 27 | 9069 | 241 | 87915 | 458 |
| 28 | 11520 | 275 | 81000 | 392 |
| 29 | 14274 | 314 | 131472 | 327 |
| 30 | 17029 | 359 | 233663 | 287 |