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| Beta Range | Number of Pregnancies in this range |
|---|---|
| 45 - 81 | (1) |
| 81 - 147 | (2) |
| 147 - 266 | (6) |
| 266 - 482 | (20) |
| 482 - 873 | (85) |
| 873 - 1580 | (187) |
| 1580 - 2860 | (314) |
| 2860 - 5176 | (565) |
| 5176 - 9367 | (700) |
| 9367 - 16953 | (582) |
| 16953 - 30679 | (184) |
| 30679 - 55520 | (24) |