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Table 2 Data collection and measurements

From: Rationale, design, methodology and sample characteristics for the Vietnam pre-conceptual micronutrient supplementation trial (PRECONCEPT): a randomized controlled study

Measurements Pre-pregnancy Pregnancy Birth Post-partum
   6-12 weeks 23-28 weeks 30-36 weeks   
Maternal       
Demographics, SES status      
OBGYN history      
Food frequency questionnaire      
Helminthic infections      
Mental health  
Morbidity   
Periodontitis screening    
Workload    
Blood pressure   
Anthropometry  
Hematological measures       
Hemoglobin  
Serum ferritin   
Transferrin receptor   
Infection indicators (CRP, AGP)   
Other biological indicators       
Vitamin A   
Blood Glucose     
Urine protein    
Fetal development (ultrasound)    
Birth information      
Child measurement       
Gestational age      
Anthropometry     
Hematological measures       
Hemoglobin      
Serum ferritin      
Transferrin receptor      
Infant feeding practices      
Supplement information       
Supplement consumption   
Side effects