Survey methodology
OBSTETRIC COMPLICATION
Following the eligibility check, we collected baseline data from 732 pregnant women in November 2020. The questionnaire gathered socio-demographic, wealth and reproductive history data. We also gathered data related to pregnancy characteristics, including the adequacy of prenatal care and details of illnesses during pregnancy, delivery and postpartum periods; types of birth attendant and, in cases of obstetric complications, referrals to district hospitals. We used the Open Data Kit (ODK, 