Table 1 Longitudinal assessment timepoints: when, who, where.
Moment | Evaluation | Filled in by: | Local | |
|---|---|---|---|---|
M0 | Recruitment (preconception or 1st trimester) | Informed consent | Participant | Family health centers |
Sociodemographic evaluation | Participant | |||
Clinical evaluation | Clinician | |||
Food frequency questionnaire | Participant | |||
3 days food record | Participant | Home | ||
Blood and urine collection | Clinical Analysis Laboratory | |||
Thyroid ultrasound | Clinician | 2CA | ||
M1 | 1st trimester of pregnancy | Clinical evaluation | Clinician | Family health centers |
Blood and urine collection | Clinical Analysis Laboratory | |||
M2 | 2nd trimester of pregnancy | Clinical evaluation | Clinician | Family health centers |
Blood and urine collection | Clinical Analysis Laboratory | |||
M3 | 3rd trimester of pregnancy | Clinical evaluation | Clinician | Family health centers |
Blood and urine collection | Clinical Analysis Laboratory | |||
Thyroid ultrasound | Clinician | 2CA | ||
Fetal cardiotocography | Clinician/Nurse | Hospital Braga | ||
M4 | Birth | Clinical evaluation | Clinician | Hospital Braga |
Blood and urine collection - pregnant | Nurse | |||
Urine collection– Newborn | ||||
M5 | 3 months after birth | Breast milk collection | Nurse | 2CA |
Blood and urine collection – puerperal women | ||||
Urine collection – newborn | ||||
Thyroid ultrasound - puerperal women | Clinician | |||
Thyroid ultrasound - child | ||||
M6 | 18 months after birth | Child psychomotor evaluation | Researcher | 2CA |
Blood and urine collection –women | Nurse | |||
Urine collection – child | ||||