Table 1 Overview of data collected in the study. The maternal medical record was reviewed three months postparum (medical record 1) and fifteen months postpartum (medical record 2). 

Main characteristics

Sociodemographics

X

X

X

X

X

Lifestyle factors

X

X

X

X

X

Health and comorbidity

X

X

X

X

X

X

Medication use

X

X

X

X

X

X

Dietary supplement use

X

X

X

Reproductive history

X

X

X

X

Fetal health

X

Child health

X

X

Thyroid characteristics

Family history

X

X

Disease history

X

X

X

X

Symptoms

X

X

X

X

X

X

Biochemical assessments

X

X

X

Other examinations (ultrasound, scintigraphy)

X

X

X