Table 3.

Participant timeline schedule of enrolment, interventions, assessment and visits

	Enrolment		Allocation	Postallocation
				Pregnancy and birth				After birth
	Start	5- weekly visits	ANC 1	Household visit	Ultrasound	ANC 2, 3 and 4	Birth	Month 1	Month 2	Month 3	Month 4	Month 5	Month 6	Month 9	Month 12
Enrolment
Census	×
Pregnancy identification		×
Pregnancy confirmatory test			×
Informed consent and allocation to study group			×
Study groups
Prenatal BEP+IFA			xx
Prenatal IFA			xx
Postnatal BEP+IFA*							xx
Postnatal IFA							xx
Assessments
Mothers
Baseline questionnaire				×
Gestational age determination					×
Skinfold measurements					×
Weight (kg) and arm circumference (mm) †/‡			×			×	×	×	×	×	×	×	×	×	×
Height (cm)			×
Haemoglobin (g/dL)			×			× (ANC3)
Women’s Dietary Diversity Score (twice weekly)				×
Maternal depression			×						×				×
Infants
Birth weight (kg)							×
Birth length (cm)							×
Head circumference (mm)							×	×	×	×	×	×	×
Chest circumference (mm)							×
Arm circumference (mm)							×	×	×	×	×	×	×	×	×
Morbidity								×	×	×	×	×	×
Mortality							×	×	×	×	×	×	×
Weight (kg) and height (cm)								×	×	×	×	×	×	×	×
Breastfeeding practices								×	×	×	×	×	×
Haemoglobin (g/dL)													×

*The IFA tablets will be given during the first 6 weeks after birth in the postnatal intervention group, according to the national health protocol.

†Only maternal weight will be taken at birth.

‡In a subsample at months 9 and 12.

BEP, balanced energy–protein; IFA, iron/folic acid.