| 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 | 39 | 14 | 264 | 11 |
| 11 | 32 | 7 | 361 | 71 |
| 12 | 50 | 3 | 494 | 248 |
| 13 | 87 | 7 | 961 | 603 |
| 14 | 131 | 9 | 1666 | 1197 |
| 15 | 195 | 4 | 2744 | 2595 |
| 16 | 291 | 6 | 3607 | 3360 |
| 17 | 419 | 9 | 10529 | 3628 |
| 18 | 603 | 14 | 12802 | 3838 |
| 19 | 888 | 18 | 17072 | 3828 |
| 20 | 1265 | 15 | 22766 | 3673 |
| 21 | 1781 | 11 | 30360 | 3359 |
| 22 | 2450 | 9 | 41000 | 2883 |
| 23 | 3316 | 77 | 53991 | 2484 |
| 24 | 4397 | 86 | 72000 | 2084 |
| 25 | 5572 | 96 | 52161 | 1713 |
| 26 | 6973 | 149 | 60374 | 1438 |
| 27 | 8716 | 231 | 69879 | 1211 |
| 28 | 11073 | 245 | 87959 | 1035 |
| 29 | 13940 | 224 | 131472 | 852 |
| 30 | 16542 | 205 | 233663 | 725 |