| Change in exercise level between 15 and 20 weeks | |||
| Decreased (n=263) | Unchanged (n=665) | Increased (n=272) | |
| Any exercise per week at 15 weeks | |||
| No, n (%) | 7 (2.66) | 72 (10.83) | 25 (9.19) |
| Yes, n (%) | 256 (97.34) | 593 (89.17) | 247 (90.81) |
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