| 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 | 43 | 2 | 243 | 12 |
| 11 | 59 | 2 | 173 | 39 |
| 12 | 78 | 4 | 348 | 72 |
| 13 | 175 | 10 | 486 | 129 |
| 14 | 253 | 23 | 1157 | 215 |
| 15 | 356 | 16 | 2010 | 262 |
| 16 | 532 | 16 | 2883 | 276 |
| 17 | 858 | 21 | 3998 | 264 |
| 18 | 1171 | 22 | 8060 | 235 |
| 19 | 1683 | 51 | 7998 | 203 |
| 20 | 2374 | 51 | 14500 | 178 |
| 21 | 3504 | 70 | 13287 | 144 |
| 22 | 5045 | 96 | 21538 | 119 |
| 23 | 6935 | 182 | 24302 | 99 |
| 24 | 9321 | 479 | 51040 | 83 |
| 25 | 12775 | 709 | 47640 | 63 |
| 26 | 16068 | 1050 | 68000 | 50 |
| 27 | 20356 | 1555 | 60064 | 47 |
| 28 | 27141 | 2302 | 85215 | 41 |
| 29 | 36197 | 4129 | 124831 | 33 |
| 30 | 49861 | 6070 | 107564 | 26 |