Contents of chemical elements in stomach during prenatal development: different age-dependent dynamical changes and their significance

Table 3 Contents of harmful elements in fetal stomachs, with comparison to those in adult[2] (µg/g dry weight)

Month-age	4	5	6	7	8	9	10	Adult
Li	0.707	0.720	0.699	0.653	0.567	0.479	0.383
	0.903 (6)	0.328 (19)	0.374 (14)	0.318 (9)	0.189 (7)	0.258 (6)	0.165 (5)
Cd	0.266	0.197	0.129	0.128	0.103	0.108	0.081	0.835
	0.357 (6)	0.189 (19)	0.080 (14)	0.070 (9)	0.065 (7)	0.053 (6)	0.039 (5)	0.553
Pb	1.091	0.882	0.881	0.851	0.879	0.884	0.835	0.426
	0.607 (6)	0.565 (19)	1.245 (14)	0.578 (9)	0.948 (7)	0.461 (6)	0.370 (5)	0.356
Ba	2.542	1.361	1.055	0.911	1.053	0.415	0.705
	1.214 (6)	0.789 (19)	0.447 (14)	0.770 (9)	1.445 (7)	0.183 (6)	0.228 (5)
Ti	0.347	0.567	0.474	0.497	0.543	0.533	0.419
	0.154 (6)	0.298 (19)	0.275 (14)	0.286 (9)	0.353 (7)	0.385 (6)	0.290 (5)