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Table 1 Reference range of vitamin D and calcium

From: Prevalence of vitamin D deficiency in pregnant women and their babies in Bhaktapur, Nepal

Status ng/ml (nmol/L)
Vitamin D [29]
 Deficiency < 20 (< 50)
 Insufficiency 20–29 (50–75)
 Sufficiency 30–100 (75–250)
 Potential toxicity > 100 (> 250)
  mg/dl (mmol/L)
Total serum calcium
 Cord blood 9.0–11.5 (2.2–2.8)
 Adult 8.4–10.2 (2.1–2.5)