Figure 5From: Temporal changes in key maternal and fetal factors affecting birth outcomes: A 32-year population-based study in an industrial city (A) Mean birthweight in term (≥ 37 weeks), preterm (<37 weeks) and all births by year of birth; (B) Percentages of preterm birth and caesarean section (CS) among preterm births by year of birth and respective 3-year moving averages of the percentage. Back to article page