Fluoride concentrations | Community water | Maternal urine | Maternal urine adjusted for specific gravity | Maternal serum | Amniotic fluid |
---|---|---|---|---|---|
Community water | 1.00 | 0.22 | 0.21 | 0.39** | 0.41** |
Maternal urine | 0.22 | 1.00 | 0.80*** | 0.38** | 0.28 |
Maternal urine adjusted for specific gravity | 0.21 | 0.80*** | 1.00 | 0.41** | 0.37* |
Maternal serum | 0.39** | 0.38** | 0.30 | 1.00 | 0.52*** |
Amniotic fluid | 0.41** | 0.28 | 0.37* | 0.52*** | 1.00 |