Spontaneous preterm birth and small for gestational age infants in women who stop smoking early in pregnancy: prospective cohort study

McCowan, L. M E; Dekker, G. A; Chan, E.; Stewart, A.; Chappell, L. C; Hunter, M.; Moss-Morris, R.; North, R. A; On behalf of the SCOPE consortium

doi:10.1136/bmj.b1081

Spontaneous preterm birth and small for gestational age infants in women who stop smoking early in pregnancy: prospective cohort study

Objectives To compare pregnancy outcomes between women who stopped smoking in early pregnancy and those who either did not smoke in pregnancy or continued to smoke. Design Prospective cohort study. Setting Auckland, New Zealand and Adelaide, Australia. Participants 2504 nulliparous women particip…