• Non-Caucasian ethnicity with dark skin pigmentation | |
• Reduced sunlight exposure (i.e. veiled women) and/or constant use of sunscreens | |
• Malabsorption syndromes | |
• Chronic therapies affecting vitamin D metabolism | |
• Obesity | |
• Risk of pre-eclampsia | |
• Alcohol abuse | |
• Bone pain | |
• Hypocalcemia | |
• A previous child with rickets | |
• Pregnant adolescents |