Fig. 2From: The variation of antenatal corticosteroids administration for the singleton preterm birth in China, 2017 to 2018Proportion of antenatal corticosteroids (ACS, y axis) in different maternal centers (x axis) on preterm infants of less than 28 weeks (dark red), 28–31 weeks (orange) and 32–33 weeks of gestational age (green)Back to article page