Data collection
DISEASES, LATE PREGNANCY, DIABETES MELLITUS TYPE 2, EARLY PREGNANCY
Three questionnaires with both closed and open-ended questions were developed by the research team in English and translated to Swedish and Somali and are described in detail in the study protocol.A bilingual research assistant recorded women’s responses to the questionnaires during face-to-face or telephone interviews; questionnaire one (Q1) in 21–25 gestational weeks, the second questionnaire (Q2) in late pregnancy (˂35 gestational weeks) and the third questionnaire (Q3) for the follow-up at 2 months post partum.Baseline information on women’s health, such as age, obstetric history, height, weight, use of tobacco in early pregnancy, diabetes mellitus type 2 (International Classification of Diseases (ICD) code O24.1), haemoglobin and S-ferritin, was retrieved from patient records. Gestational age at first ANC visit is presented in intervals ≤12, 13–20 and 21–25 gestational weeks (after which women were not eligible). Ultrasound for dating of pregnancy is recommended in Sweden in 18–20 gestational weeks,