Inclusion criteria
Pregnant mothers registered in the paper-based FWA register,Age group 19–45 years,Residence of—Intervention group: Chandpur Sadar, Faridganj, or Kachua sub-districts of Chandpur District, and Control group: Bhola Sadar, Charfesson, or Lalmohan sub-districts of Bhola District,Gestational period of 28–36 weeks,Have access to a mobile phone.