Figure 1.

Predicted scores in cognitive development and 95% confidence intervals of MAR and naturally conceived children by their weight status at birth at different age points. Baseline models include: sex, multiple birth. Adjusted models include: sex, multiple birth, maternal education, birth order, maternal age, maternal marital status, timing of the first prenatal visit, ethnic origin, whether the mother smoked during pregnancy. NC NLBW, naturally conceived born non-low birthweight; NC LBW, naturally conceived born low birthweight; MAR NLBW, conceived with medically assisted reproduction and born non-low birthweight; MAR LBW, conceived with medically assisted reproduction and born low birthweight.