Participant Group

Traditional Care (n = 170)

Centering (n = 173)

p Value

Gestation at First Visit

11.82 (SD 8.7)

10.30 (SD 3.1)

p = 0.031

Total Number of PN Visits

13.4 (SD 10.7)

14.2 (SD 7.2)

p = 0.266