Table 3 Summary of study procedures for Stage 2 (pregnancy) of participation (timeline begins with conception)
From: Preconception maternal nutrition: a multi-site randomized controlled trial
Stage 2: Pregnancy & Delivery | Stage of pregnancy (wk) | Delivery | ||
|---|---|---|---|---|
0-12 | 13-24 | 25-birth | ||
Biweekly home visits | ||||
Nutrition intervention | ||||
  Arm 1 | →                →                →                →                → |  | ||
  Arm 2 |                                           →                →                → |  | ||
  Kcal/Pro supplement (prn, Arms 1 & 2) prn | →                →                →                →                → |  | ||
  Maternal morbidity | →                →                →                →                → | X | ||
  MUAC | →                →                →                →                → |  | ||
Dietary assessment (two, 24-hr recalls in every other participant in Arms 1 & 2) | XX | Â | Â | Â |
Maternal monthly weight | XXX | XXX | XXX | Â |
(Arm 1) | (Arms 1 & 2) | (Arms 1 & 2) | ||
Fetal ultrasound | X (12 wk) | Â | X (34-36wk) | Â |
Maternal biologic sample collection | X (12 wk) | Â | X (34-36 wk) | X |
(Arms 1 & 2) | Â | (Arms 1 & 2) | ||
Maternal anthropometry and vitamin/mineral use | X (12 wk) | Â | X (34-36 wk) | Â |
Infant birth length & weight | Â | Â | Â | X |