Inclusion Criteria:  Control Group: Healthy term neonates  Infants born at 37 weeks gestational age or greater born to mothers of any age with uncomplicated pregnancies  Comparison Group: Term infants of diabetic mothers  Infants born at 37 weeks gestational age or greater to mothers of any age with gestational diabetes or Type 1 or Type 2 diabetes, managed with either diet or insulin  Exclusion Criteria:  For Both Groups:  Infants <37 weeks gestational age Multiple gestation pregnancies Maternal thrombocytopenia Known fetal anomalies Known maternal blood clotting disorders or history of thrombosis Known family history of clotting disorders Chorioamnionitis (diagnosed prior to delivery)  For "Healthy Term Neonates"  Intrauterine growth restriction Gestational hypertension, chronic hypertension, pre-eclampsia, and/or eclampsia Any other major complication of pregnancy or major medical history