Figure 3From: Maternal caffeine intake during pregnancy is associated with birth weight but not with gestational length: results from a large prospective observational cohort study Overlap of small for gestational age (SGA) definitions according to Marsal (ultrasound based), Skjaerven (population based) and Gardosi (customized), n = 59,123, in the Norwegian Mother and Child Cohort Study 2002 to 2009.Back to article page