| Doubling Time | Number of Pregnancies in this range |
|---|---|
| 25 - 40 hours | (1) |
| 40 - 65 hours | (2) |
| 65 - 106 hours | (6) |
| 106 - 171 hours | (13) |
| 171 - 277 hours | (9) |
| 277 - 449 hours | (2) |
| 449 - 726 hours | (2) |
| 726 - 1175 hours | (0) |
| 1175 - 1901 hours | (0) |
| 1901 - 3074 hours | (0) |
| 3074 - 4973 hours | (0) |
| 4973 - 8045 hours | (1) |