Cross-sectional associations of maternal rs1051730 genotype with fetal growth characteristics in different trimesters1 (n = 3,563).

1Effect estimates (with 95% confidence interval) reflect the differences in each growth characteristic for each additional copy of the T-allele of rs1051730 (assuming an additive model).2Interaction term = maternal genotype×smoking status.*P-value**P-valueAll analyses were adjusted for gestational age at visit and sex. Analyses in the total group were additionally adjusted for smoking status (yes, no). Birth length and head circumference at birth were additionally adjusted for source of the birth measurements.