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Blood Lead Levels During Different Trimesters of Pregnancy and the Possible Influencing Factors in Chengdu, China.
MedLine Citation:
PMID:  21448565     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Lead is a toxic element. It can damage multiple human organs and systems. In present study, we detected the blood lead levels (BLLs) during the whole pregnancy period and 6-12th weeks after delivery and analyzed their influencing factors by healthy pregnant women. We recruited 128 healthy pregnant women absent of pregnancy or obstetric complications or abnormal pregnancy outcomes as the gravida group. The control group consisted of 120 healthy non-pregnant women. The lead concentrations of all the three pregnancy trimesters and postpartum were: 5.95 ± 2.27, 5.51 ± 1.93, 5.57 ± 1.85, and 6.88 ± 1.90 μg/dl; and the mean lead concentration of control group was 6.87 ± 2.29 μg/dl. We found that the BLLs of the gravida group were lower than that of control group during all three trimesters and occupations, supplement nutrition elements, and time of house painted could affect blood lead levels of pregnant women. Lead-related occupations, using cosmetics, and living in a house painted <1 year are risk factors of high BLLs among pregnant women, while calcium, iron, zinc, and milk supplements are protective factors. These may help people especially pregnant women to reduce lead exposure via supplement of calcium, iron, zinc, and milk or avoiding contacting above risk factors.
Authors:
Yongmei Jiang; Haijuan Wang; Jian Chen; Ge Zhang; Lan Chen; Wei Dai; Wei Zhou; Hui Yang; Hua Shi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-30
Journal Detail:
Title:  Biological trace element research     Volume:  -     ISSN:  1559-0720     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-3-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7911509     Medline TA:  Biol Trace Elem Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, No. 20, Section 3, Ren Min Nan Lu, Chengdu, Sichuan, 610041, People's Republic of China.
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