Table 7.

LIFE study data collection

Mother	Registration	1st Tri-mester	3rd Tri-mester	Delivery	Months postpartum
					1	6	12	18	24	36	48
Questionnaire data:
Demographics	✓
Occupation	✓		✓		✓
Education/literacy	✓
General health	✓	✓	✓		✓	✓	✓	✓	✓	✓	✓
Past medical history	✓	✓
Recent health status	✓	✓	✓		✓	✓	✓	✓	✓	✓	✓
Recent medication use	✓	✓	✓		✓	✓	✓	✓	✓	✓	✓
Reproductive health history	✓
Depression screening	✓	✓	✓		✓	✓	✓	✓	✓	✓	✓
Dental health	✓
Family medical history	✓
Birth history	✓
Family structure	✓
Physical activity	✓		✓		✓
Gender roles	✓		✓		✓
Water source, usage	✓		✓		✓
Pesticide exposure	✓		✓		✓
Tobacco exposure	✓	✓	✓		✓
Other chemical exposures	✓
Alcohol consumption	✓
Vehicle/pollution exposure	✓		✓
Animals/livestock exposure	✓		✓		✓
Pregnancy status	✓	✓	✓
Health during pregnancy		✓	✓		✓
Prenatal care utilization		✓	✓
Vitamins/supplement usage		✓	✓		✓
Previous pregnancy history		✓
Pregnancy practices/lifestyle changes		✓	✓
Anthropometric measurements:
Weight	✓	✓	✓	✓	✓		✓	✓	✓	✓	✓
Height	✓
Waist circumference	✓	✓	✓		✓		✓	✓	✓	✓	✓
Hip circumference	✓	✓	✓		✓		✓	✓	✓	✓	✓
Blood pressure	✓	✓	✓	✓	✓		✓	✓	✓	✓	✓
Biological samples:
Fasting blood	✓	✓	✓	✓	✓
Urine	✓	✓	✓	✓	✓
Stool	✓	✓	✓	✓	✓
Vaginal swab	✓	✓	✓	✓	✓
Placenta				✓
Breast milk				✓	✓
Cord blood				✓
Record abstraction				✓
Prenatal care medical record				✓