Selection criteria for the different groups of women.

Pregnant women	Lactating women	Non-pregnant, non-lactating women	Adolescent women
•In the 2nd or 3rd trimester of pregnancy •Adult (≥18 years)	•Biological mothers of up to 6-month-old living children •Ever breastfed the last born child •Adult (≥18 years)	•Mothers who have had at least one live birth and intend to have another child •Adult (≥18 years)	•Between 15 and 17 years old (married or unmarried), lowest age encountered in the sample was 15 years •Non-pregnant and non-lactating