| 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 | 33 | 7 | 361 | 64 |
| 12 | 50 | 3 | 494 | 237 |
| 13 | 87 | 7 | 961 | 577 |
| 14 | 130 | 9 | 1666 | 1153 |
| 15 | 194 | 4 | 2744 | 2513 |
| 16 | 291 | 6 | 3607 | 3250 |
| 17 | 419 | 9 | 10529 | 3511 |
| 18 | 600 | 14 | 12802 | 3714 |
| 19 | 882 | 18 | 17072 | 3706 |
| 20 | 1261 | 15 | 22766 | 3558 |
| 21 | 1773 | 11 | 30360 | 3257 |
| 22 | 2440 | 9 | 41000 | 2793 |
| 23 | 3311 | 77 | 53991 | 2408 |
| 24 | 4400 | 86 | 72000 | 2015 |
| 25 | 5598 | 96 | 52161 | 1651 |
| 26 | 6998 | 149 | 60374 | 1389 |
| 27 | 8738 | 231 | 69879 | 1170 |
| 28 | 11247 | 245 | 87959 | 996 |
| 29 | 14082 | 224 | 131472 | 815 |
| 30 | 16691 | 205 | 233663 | 697 |