| Beta range | Number of Pregnancies in this range |
|---|---|
| 208 - 320 | (9) |
| 320 - 493 | (15) |
| 493 - 759 | (31) |
| 759 - 1169 | (62) |
| 1169 - 1801 | (95) |
| 1801 - 2773 | (151) |
| 2773 - 4271 | (223) |
| 4271 - 6577 | (287) |
| 6577 - 10128 | (270) |
| 10128 - 15596 | (210) |
| 15596 - 24016 | (77) |
| 24016 - 36984 | (17) |