The primary outcomes are maternal systemic markers of inflammation and oxidative stress. At the time points mentioned above, the following laboratory assays will be conducted in maternal blood or urine: C reactive protein, vitamins C, E, B6, folate 8-iso-PGF2a and 8-OHdG. The secondary outcomes are cord blood markers of inflammation and oxidative stress, breastfeeding success, and the following infant outcomes over the first year: neurodevelopmental outcome, growth trajectories and adiposity, systemic markers of inflammation and oxidative stress.