Table 2.
Summary statistics of the levels of PFAS (ng/mL) in maternal plasma (n = 72; 2020–2021) from our study population and in comparison to levels reported in NHANES female serum (n = 977, survey years 2017–2018).
| PFAS Congener | Gen C Maternal Plasma (n = 72) |
NHANESc Female Serum (n = 977) |
||||||
|---|---|---|---|---|---|---|---|---|
| LOD | % <LOD | Mean | SD | Min. | Median | Max. | Median | |
| PFOSa | 0.2 | 0 | 1.84 | 1.13 | 1.52 | 0.41 | 6.15 | 3.30 |
| PFHxA | 0.1 | 0 | 0.32 | 0.24 | 0.16 | 0.23 | 1.62 | < LOD |
| PFHxS | 0.04 | 0 | 0.46 | 0.28 | 0.15 | 0.39 | 1.29 | 0.80 |
| n-PFOA | 0.2 | 1.4 | 1.10 | 0.60 | 0.14 | 0.91 | 2.96 | 1.27 |
| PFHPS | 0.04 | 5.6 | 0.10 | 0.04 | 0.03 | 0.10 | 0.24 | 0.20 |
| PFDA | 0.1 | 8.3 | 0.49 | 0.22 | 0.07 | 0.45 | 1.02 | 0.20 |
| PFNA | 0.2 | 15.3 | 0.51 | 0.40 | 0.14 | 0.40 | 1.81 | 0.40 |
| PFBS | 0.2 | 20.8 | 0.39 | 0.23 | 0.14 | 0.38 | 1.32 | < LODb |
| PFUnDA | 0.3 | 22.2 | 0.56 | 0.38 | 0.21 | 0.42 | 2.03 | 0.10 |
a
Sum of linear (n-PFOS) and branched (Sm-PFOS) isomers of PFOS.
b
Data only listed for years 2013–2014, n = 1136 females for PFBS.
c
Data from CDC Exposure Report, 2021 (www.cdc.gov/exposurereport).