Table 5.

Reported value for concentration of lead (μg/dL) in whole blood of pregnant women

Country	N	Lead (μg/dL)	References
Mexico	272	8.90 ± 4.10a	Gonzales-Cossio et al. (1997)[26]
Sweden	88	1.14 (0.21–4.76)b	Osman et al. (2000)[27]
Canada	160	2.10 ± 1.70a	Smargiassi et al. (2002)[28]
USA	140	1.96 ± 0.84a	Harville et al. (2005)[12]
Turkey	143	2.80 ± 1.50a	Kirel et al. (2005)[29]
Russia	48	5.00 ± 3.00a	Eik Anda et al. (2007)[30]
Portugal	182	7.10 ± 2.80a	Reis et al. (2007)[31]
France	865	1.90 ± 1.20a	Yazbeck et al. (2009)[17]
Nigeria (Lagos)	214	59.50 ± 2.10a	Adekunle et al. (2009)[32]
Brazil	120	1.74 ± 0.09a	Amaral et al. (2010)[33]
Iran	296	3.69 ± 1.85a	Vigeh M et al. (2010)[14]
China	128	5.95 ± 2.27a	Jiang et al. (2011)[34]
Saudi Arabia	1,577	2.89 ± 1.85a	Al.-Saleh et al. (2011)[11]
Nigeria (Abakaliki)	349	36.37 ± 18.45a	Ugwuja et al. (2011)[18]
Poland	150	1.89 ± 1.10a	Present study (2013)

N number of studied participants

^aMean ± standard deviation (SD)

^bMedian and range