Impact of Pregnancy on the Levels of Parabens and Bisphenol A: Data from NHANES 2005–2010

Table 3

Unadjusted geometric means with 95% confidence intervals in ng/mg creatinine for selected endocrine disrupting chemicals by pregnancy trimester. Data from the National Health and Nutrition Examination Survey 2005–2010.

	Trimester
	I	II	III
Bisphenol A	1.62 (0.95–2.75)	1.89 (1.42–2.5)	2.17 (1.73–2.7)
Butyl paraben	1.24 (0.48–3.16)	1.46 (0.81–2.63)	1.68 (0.52–5.41)
Ethyl paraben	2.04 (1.16–3.58)	3.76 (1.95–7.26)	5.74 (1.9–17.33)
Methyl paraben	117.84 (81.9–169.57)	143.58 (95.26–216.42)	177.21 (81.42–385.7)
Propyl paraben	32.53 (19.67–53.82)	16.55 (5.85–46.79)	33.72 (15.85–71.75)