Crude and adjusted relative risks of the association between maternal age and adverse pregnancy outcome.

aAdjusted for , parity, maternal BMI, social deprivation score and ethnic origin;bmodel based on 2007–2008 data only. ESGA (Extremely small-for-gestational age, rd percentile); VSGA (Very small-for-gestational age, th percentile); SGA (Small-for-gestational age, th percentile); LGA (Large-for-gestational age, >90th percentile); VLGA (Very-large-for-gestational age, >95th percentile); ELGA (Extremely-large-for-gestational-age, >97th percentile).