Urinary fluoride levels and metal co-exposures among pregnant women in Los Angeles, California

Table 2 Urinary fluoride concentrations by trimester

Fluoride Concentrations	Arithmetic Mean	SD	Median	SE	IQR	5^th percentile	95^th percentile
MUF First Trimester (N = 293)	0.72	0.53	0.59	0.03	0.55	0.19	1.67
MUF Third Trimester (N = 490)	0.75	0.50	0.63	0.02	0.58	0.20	1.78
MUFsg First Trimester (N = 293)	0.81	0.54	0.65	0.03	0.50	0.28	1.85
MUFsg Third Trimester (N = 490)	0.92	0.61	0.80	0.03	0.59	0.34	1.89

All but 1 participant with first trimester MUF had 3^rd trimester MUF, MUF maternal urinary fluoride, MUFsg specific-gravity adjusted maternal urinary fluoride, SD Standard Deviation, SE Standard Error

ISSN: 1476-069X