Table 2.

PFAS concentrations (ng/ml) in UPSIDE participants included in the current analysis^a

PFAS	N	LOD	% < LOD	Mean	STD	50th	90th	95th	Min	Max
Participants contributing prenatal data
PFOS	243	0.02	0	2.86	2.01	2.52	4.28	5.51	0.61	21.3
PFOA	243	0.02	0	0.68	0.42	0.59	1.16	1.46	0.04	2.74
PFNA	243	0.032	0	0.31	0.30	0.25	0.49	0.62	0.06	2.87
PFHxS	243	0.02	0	1.90	0.87	1.74	3.03	3.48	0.56	7.17
PFDA	243	0.02	17	0.08	0.08	0.06	0.15	0.20	0.01	0.68
Participants contributing postnatal data
PFOS	139	0.02	0	2.94	2.41	2.43	4.18	6.56	0.61	21.3
PFOA	139	0.02	0	0.70	0.57	0.58	1.09	1.39	0.04	5.45
PFNA	139	0.032	0	0.34	0.39	0.23	0.47	0.93	0.06	2.87
PFHxS	139	0.02	0	1.93	0.81	1.75	3.03	3.37	0.56	6.03
PFDA	139	0.02	19	0.09	0.13	0.05	0.16	0.20	0.01	1.04

Abbr: LOD Limit of Detection, Min Minimum, Max Maximum, PFAS per- and poly-fluoroalkyl substances, PFDA perfluorodecanoic acid, PFHxS perfluorohexanesulfonic acid, PFNA perfluorononanoic acid, PFOA perfluorooctanoic acid, PFOS perfluorooctanesulfonic acid, STD Standard Deviation

^aN = 5 participants contributed data only to the postpartum analysis