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)