Table 1

Key exposure variables assessed at different time points before or during pregnancy and at delivery of the mother

MeasurementPeriod before or during pregnancy
Pre conceptionFirst trimesterSecond trimesterThird trimesterDelivery
Illness
 Diabetes●●●●
 Hypertension●●●●
 Heart disease●●
 Fever◆◆◆
 Hospitalisation◆◆◆◆
 BMI●
 Weight●●●●
 Height●
 Haemoglobin●●●
Food and micronutrient supplementation
 Iron◆◆◆
 Folate◆◆◆◆
 Calcium◆◆◆
 Vitamin C◆◆◆
 Thriphosa◆◆◆
 Mode of delivery●
 Gestational age at birth●

  • ● Obtained from pregnancy record.

  • ◆ Inquired from history.

  • BMI, body mass index.