| 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 | 37 | 11 | 617 | 18 |
| 11 | 32 | 7 | 361 | 85 |
| 12 | 50 | 3 | 494 | 280 |
| 13 | 87 | 7 | 961 | 673 |
| 14 | 132 | 9 | 1666 | 1313 |
| 15 | 197 | 4 | 2744 | 2855 |
| 16 | 293 | 6 | 3607 | 3715 |
| 17 | 423 | 9 | 10529 | 3991 |
| 18 | 610 | 14 | 12802 | 4207 |
| 19 | 902 | 18 | 17072 | 4190 |
| 20 | 1288 | 13 | 22766 | 4018 |
| 21 | 1808 | 11 | 30360 | 3673 |
| 22 | 2500 | 9 | 41000 | 3166 |
| 23 | 3400 | 46 | 53991 | 2740 |
| 24 | 4500 | 53 | 72000 | 2305 |
| 25 | 5786 | 45 | 52161 | 1899 |
| 26 | 7100 | 39 | 60374 | 1589 |
| 27 | 9017 | 37 | 69879 | 1335 |
| 28 | 11438 | 36 | 87959 | 1149 |
| 29 | 14395 | 20 | 131472 | 960 |
| 30 | 17185 | 12 | 233663 | 818 |