Leptin and cytokine levels in serum.

<p>(A) Cord blood leptin levels (ng/ml) in serum of study groups A (n = 19), B (n = 17) and C (n = 20) in the total sample, males and females (mean ± SD). (B) Cytokine serum levels (pg/ml) in groups A, B and C (mean ± SD). (B insert) IFN-γ serum levels in male and female neonates of group A. Statistically significant differences are indicated by asterisks (**, P<0.005, compared with t-test).