Figure 4From: Validating the weight gain of preterm infants between the reference growth curve of the fetus and the term infant Median weight gain patterns of the 23–25 (red dot), 26–28 (blue dash), and 29–31 (purple dash dot) week Prem Growth study preterm infants with the Fetal-Infant Growth Reference 2013, which was based on a 6 country meta-analysis of intrauterine growth (22 to 40 weeks) and the World Health Organization Growth Standard (40 to 50 weeks) (3rd, 50th & 97th percentiles). Back to article page