Table 2 Salivary steroid concentrations in the antepartum women by days prior to delivery
|  |  | Mean ± SEM | Median | Range |
|---|---|---|---|---|
Estriol (nmol/L) | Â | Â | Â | |
|  | < 14 days | 6.37 ± 1.18 | 6.15 | 3.37 - 10.11 |
|  | 14-21 days | 6.30 ± 0.68 | 5.92 | 4.27 - 9.79 |
|  | 22-28 days | 4.41 ± 0.58 | 4.16 | 2.88 - 7.34 |
|  | > 28 days | 3.61 ± 0.39 | 3.34 | 2.21 - 5.12 |
Estradiol (pmol/L) | Â | Â | Â | |
|  | < 14 days | 447.23 ± 137.51 | 341 | 229 - 1128 |
|  | 14-21 days | 338.78 ± 65.87 | 289 | 67 - 653 |
|  | 22-28 days | 373.79 ± 65.39* | 376 | 159 - 558 |
|  | > 28 days | 208.54 ± 27.29 | 210 | 116 - 284 |
Progesterone (nmol/L) | Â | Â | Â | |
|  | < 14 days | 9.28 ± 2.04 | 8.54 | 4.30 - 15.92 |
|  | 14-21 days | 8.39 ± 1.25 | 8.10 | 4.00 - 13.48 |
|  | 22-28 days | 5.87 ± 1.25 | 5.24 | 1.84 - 11.92 |
|  | > 28 days | 5.18 ± 0.95 | 5.44 | 1.76 - 9.74 |
Testosterone (pmol/L) | Â | Â | Â | |
|  | < 14 days | 418.44 ± 77.17 | 378 | 253 - 755 |
|  | 14-21 days | 434.54 ± 102.49 | 354 | 247 - 1129 |
|  | 22-28 days | 270.52 ± 22.65 | 281 | 180 - 341 |
|  | > 28 days | 245.68 ± 17.24 | 257 | 183 - 301 |
Cortisol (nmol/L) | Â | Â | Â | |
|  | < 14 days | 12.74 ± 2.32 | 10.34 | 7.92 - 22.35 |
|  | 14-21 days | 10.96 ± 1.50 | 9.74 | 6.41 - 17.75 |
|  | 22-28 days | 8.05 ± 0.57 | 8.50 | 4.78 - 9.58 |
|  | > 28 days | 8.92 ± 1.28 | 8.48 | 5.45 - 12.60 |
DHEA (nmol/L) | Â | Â | Â | |
|  | < 14 days | 0.52 ± 0.08 | 0.47 | 0.28 - 0.85 |
|  | 14-21 days | 0.44 ± 0.04 | 0.39 | 0.33 - 0.66 |
|  | 22-28 days | 0.35 ± 0.06 | 0.26 | 0.22 - 0.57 |
|  | > 28 days | 0.32 ± 0.03 | 0.31 | 0.23 - 0.44 |