Study site and subjects
The study was conducted from August to December 2021 in Huancavelica (altitude, 3600 m), a city located in the central highlands of Peru.Interested participants were initially screened by using the inclusion criteria of age, weight, and height. A total of 123 eligible women were invited for a full screening. Thirty-nine participants were eligible but 9 participants declined to participate in the study. Thirty participants started the study and 28 participants completed the study (Study overview diagram.∗ BMI, body mass index; CRP, C-reactive protein; PF, plasma ferritin