Premature: 0-1 day 2-6 days 7 days-1 month 1-5 months 6-24 months 2-3 years 4-5 years 6-7 years 8-9 years 10-11 years 12-13 years 14-15 years 16-17 years 18-39 years 40 years and older Postmenopausal
| Less than 40 ng/mL Less than 11 ng/mL Less than 8.7 ng/mL Less than 5.8 ng/mL Less than 2.9 ng/mL Less than 1.9 9 ng/mL Less than 0.85 ng/m Less than 1.03 ng/mL Less than 1.79 ng/mL 0.14-2.35 ng/mL 0.43-3.78 ng/mL 0.89-6.21 ng/mL 1.22-7.01 ng/mL 1.42-9.00 ng/mL 1.33-7.78 ng/mL 0.63-4.70 ng/mL 0.60-5.73 ng/mL
| Less than 40 ng/mL Less than 11 ng/mL Less than 8.7 ng/mL Less than 5.8 ng/mL Less than 2.9 ng/mL Less than 2.5 ng/mL Less than 0.63 ng/mL Less than 0.95 ng/mL 0.06-1.93 ng/mL 0.10-2.08 ng/mL 0.32-3.08 ng/mL 0.57-4.10 ng/mL 0.93-6.04 ng/mL 1.17-6.52 ng/mL 1.33-7.78 ng/mL 0.63-4.70 ng/mL
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