Table 4

Significant correlations between serum leptin and other metabolic hormones before and after 34 weeks of gestation

<34 weeks gestation (n = 65)⩾34 weeks gestation (n = 75)
Correlation (r) p value Correlation (r) p value
Day 1
Leptin
 Insulin0.28<0.05——
 Insulin:glucose ratio0.32<0.050.24<0.05
 ACTH0.26<0.05——
Insulin
 Leptin0.28<0.05——
 Insulin:glucose ratio0.94<0.0010.96<0.001
 Glucose——0.36<0.005
 FT4——−0.26<0.05
ACTH
 Leptin0.26<0.05——
 Cortisol——0.55<0.001
FT4
 Insulin——−0.26<0.05
 Insulin:glucose ratio——−0.23<0.05
Day 4–5
Leptin
 Insulin:glucose ratio——0.27<0.05
Insulin
 Insulin:glucose ratio0.89<0.0010.94<0.001
ACTH
 Cortisol——0.55<0.001