Table 1.

Literature search strategy

Database	MESH and non-MESH terms		Hits
Pubmed, sorted by ”Best Match”		(Perfluorinated OR Perfluorinated acid OR perfluorooctane sulfonic acid OR perfluorooctanoic acid OR fluorocarbons OR polyfluorinated OR polyfluoroalkyl OR perfluoroalkyl Perfluorochemicals OR PFOS OR PFOA OR PFNA OR PFDA OR PFHxS OR PFUnA OR PFOSA OR PFDA)	17,054
	AND	(Thyroid OR Thyroid hormones OR thyroxine OR triiodothyronine OR thyroid-stimulating hormone OR TSH OR T4 OR T3)	223
	AND	(Pregnancy OR maternal OR mother OR newborn OR infant OR cord)	59
Studies full filling inclusion criteria	Participants	Pregnant women and/or infants with measurements of PFAAs exposure and thyroid hormones.	20
	Number	> 100 participants.	15