Table 1 Non-pregnant reference intervals for the micronutrients and the chosen clinical decision limits defining micronutrient deficiencies in pregnancy [30, 35,36,37]
From: Post-bariatric pregnancy is associated with vitamin K1 deficiency, a case control study
Micronutrient | Non-pregnant reference intervals | Clinical decision limits for deficiency in pregnancy |
|---|---|---|
Ferritin (Iron-status) | 10–170 µg/L | < 30 µg/L |
Magnesium | 0.71–0.94 mmol/L | < 0.7 mmol/L |
Cobalamin | 150–650 pmol/L | < 276 pmol/L |
Folate | ≥ 7 nmol/L | < 15 nmol/L |
Pyridoxal 5-phosphate | 15–160 nmol/L | < 15 nmol/L |
Thiamine | 95–200 nmol/L | < 95 nmol/L |
Vitamin A | 1.2–3.6 µmol/L | < 1,2 µmol/L |
Vitamin D | 50–125 nmol/L | < 50 nmol/L |
Vitamin E | 19–50 µmol/L | < 19 µmol/L |
Vitamin K1 | 0.1–2.2 ng/mL | < 0.1 ng/mL |
Zinc | 10–18 µmol/L | < 7.6 µmol/L |
Selenium | 0.6–1.8 µmol/L | < 0.9 µmol/L |