CRP and gestational diabetes: We also investigated associations of CRP and C3 with a range of pregnancy and birth outcomes including gestational diabetes (GDM), pre-eclampsia (PE), pregnancy induced hypertension (PIH), pre-term delivery, low birth weight, small-for-gestational age (SGA) defined using < 5th or 10th centile for birth-weight, and markers of fetal lipid and glucose metabolism.