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Table 2 Summary of study procedures for Stage 1 of participation

From: Preconception maternal nutrition: a multi-site randomized controlled trial

Stage 1: Preconception

Week of participation

0

1

2 until conception

Screening/Consent

X

  

Enrollment/Randomization*

X

  

Baseline data collection

 

X

 

(SES, environmental, maternal and paternal anthropometry, health hx)

Biweekly home visits (begin within 2 wk of enrollment)

  Monitor menses/confirm pregnancy

  

→ → →

  Primary nutrition intervention (Arm 1)

  

→ → →

  Energy/Protein supplement (prn, Arm 1)

  

→ → →

  Maternal Morbidity

  

→ → →

  MUAC

  

→ → →

Maternal monthly weight (Arm 1 only)

  

→ → →

Maternal blood sample collection (all arms)

 

X

 
  1. *Nulliparous women will be enrolled at a point in time estimated to be at least 4 mo before first pregnancy occurs.