孕周 | n |
| S | 2.5 MoM | SI |
16~ | 432 | 15,424.1 | 4985.3 | 38,694.3 | 28,766.9 |
17~ | 2155 | 14,078.2 | 5458.7 | 35,907.3 | 25,608.2 |
18~ | 3569 | 12,860.6 | 5094.7 | 32,480.5 | 23,178.3 |
19~ | 3962 | 11,536.1 | 4645.3 | 29,473.8 | 21,109.0 |
20~ | 2924 | 10,314.5 | 4506.1 | 26,303.5 | 19,685.5 |
21~ | 1638 | 9297.1 | 4443.6 | 23,303.8 | 18,382.3 |
22~ | 827 | 8368.7 | 4470.9 | 21,204.3 | 17,662.5 |
23~ | 425 | 7356.3 | 3983.4 | 18,712.3 | 15,665.6 |