| Beta Range | Number of Pregnancies in this range |
|---|---|
| 169 - 268 | (7) |
| 268 - 427 | (8) |
| 427 - 679 | (20) |
| 679 - 1080 | (35) |
| 1080 - 1717 | (65) |
| 1717 - 2730 | (107) |
| 2730 - 4341 | (140) |
| 4341 - 6903 | (181) |
| 6903 - 10976 | (142) |
| 10976 - 17452 | (83) |
| 17452 - 27749 | (20) |
| 27749 - 44121 | (4) |