Expected increase from parental height
Mean (95% confidence interval) difference between estimated adult height (calculated by doubling infant length at 2 years of age) and mean parental height (calculated as the average of maternal and paternal heights) for children who were included in the INTERGROWTH-21st Fetal Growth Standards21 for study sites located in low- and middle-income countries and high-income countries.
Villar et al. Validation of the INTERGROWTH-21st fetal growth standards. Am J Obstet Gynecol 2018.